Re: Sunrise and Sunset from terminal

[Karl Vogel]

On Fri, Sep 29, 2023 at 12:48:56PM -0400, Bruno Kleinert wrote:
> Am Samstag, dem 23.09.2023 um 23:51 +0200 schrieb s...@gmx.com:
> > Is there a way to get sunrise and sunset time from command interpreter?
> > I want to use its output for a script!
> 
> in case you're looking for a possibility to execute commands at sunset
> and/or sunrise, I use remind for this (apt install remind) to trigger my
> roller blinds.  Pro: Does not rely on any external web service.

Remind is an incredibly useful program.  Give it your latitude and longitude,
and it can tell you sunrise and sunset times.  My coordinates:

  
https://www.google.com/search?q=dayton+ohio+latitude+longitude+degrees+minutes+seconds
  Dayton, OH, USA is located at GPS coordinates of
  39d 45m 32.2164s N and 84d 11m 29.7780s W.

Version of remind:

  me% remind -V 2>&1 | grep Copyright
  REMIND 04.02.04 (English version) Copyright 1992-2023 Dianne Skoll

Remind script:

  me% cat sunrise-sunset.rem
  ; Show sunrise/sunset
  SET $LatDeg  39
  SET $LatMin  45
  SET $LatSec  32
  SET $LongDeg 84
  SET $LongMin 11
  SET $LongSec 29
  MSG sunrise at [sunrise(trigdate())], sunset at [sunset(trigdate())]

Sunrise/sunset for today:

  me% remind -h sunrise-sunset.rem '*1' | sed -e '/^$/d'
  Reminders for Friday, 29th September, 2023 (today):
  sunrise at 07:30, sunset at 19:22

Sunrise/sunset for the next week:

  me% remind -h sunrise-sunset.rem '*7' | sed -e '/^$/d'
  Reminders for Friday, 29th September, 2023 (today):
  sunrise at 07:30, sunset at 19:22
  Reminders for Saturday, 30th September, 2023:
  sunrise at 07:31, sunset at 19:21
  Reminders for Sunday, 1st October, 2023:
  sunrise at 07:32, sunset at 19:19
  Reminders for Monday, 2nd October, 2023:
  sunrise at 07:33, sunset at 19:18
  Reminders for Tuesday, 3rd October, 2023:
  sunrise at 07:34, sunset at 19:15
  Reminders for Wednesday, 4th October, 2023:
  sunrise at 07:35, sunset at 19:15
  Reminders for Thursday, 5th October, 2023:
  sunrise at 07:36, sunset at 19:12

-- 
Karl Vogel  I don't speak for anyone but myself.

German: "Er hat da geparkt, wo ihm die Karre vom Arsch gefallen ist."
English: "He parked where the car fell off his ass."
--Reddit comment about stupid/illegal parking

Re: Sunrise and Sunset from terminal

[Bruno Kleinert]

Am Samstag, dem 23.09.2023 um 23:51 +0200 schrieb s...@gmx.com:
> Is there a way to get sunrise and sunset time from command interpreter?
> I want to use its output for a script!
> 

Hi,

in case you're looking for a possibility to execute commands at sunset
and/or sunrise, I use remind for this (apt install remind) to trigger
my roller blinds. Pro: Does not rely on any external web service.

Kind regards,
Bruno

Re: Sunrise and Sunset from terminal

[Sven Hoexter]

On Wed, Sep 27, 2023 at 11:12:02AM +0100, Carles Pina i Estany wrote:
> 
> Hi,
> 
> sudo apt install python3-ephem
> 
> And in one line:
> 
> """
> (LATITUDE=51.5; LONGITUDE=0.12; python3 -c "import ephem; o=ephem.Observer(); 
> o.lat, o.lon = $LATITUDE, $LONGITUDE; print('Sunrise:', 
> o.next_rising(ephem.Sun()).datetime(), 'Sunset:', 
> o.next_setting(ephem.Sun()).datetime())")
> """
> 

Some more options for the fun of it:
python3-suntime / https://github.com/SatAgro/suntime

I converted that code into a Lua script [1] to run it
on OpenWrt based systems, in case someone is up for something to
run in more constrained environments.
https://git.sven.stormbind.net/?p=sven/scripts.git;a=blob_plain;f=weblogpro/suntime.lua;hb=HEAD

Cheers,
Sven

Re: Sunrise and Sunset from terminal

[Curt]

On 2023-09-27, Carles Pina i Estany  wrote:
>
> Hi,
>
> sudo apt install python3-ephem
>

I think hdate could also work for this.

Re: Sunrise and Sunset from terminal

[Carles Pina i Estany]

Hi,

sudo apt install python3-ephem

And in one line:

"""
(LATITUDE=51.5; LONGITUDE=0.12; python3 -c "import ephem; o=ephem.Observer(); 
o.lat, o.lon = $LATITUDE, $LONGITUDE; print('Sunrise:', 
o.next_rising(ephem.Sun()).datetime(), 'Sunset:', 
o.next_setting(ephem.Sun()).datetime())")
"""

The output:

Sunrise: 2023-09-28 05:34:38.906872 Sunset: 2023-09-27 17:14:27.209178

It fits in an alias :-)

The () is to avoid leaving LATITUDE and LONGITUDE defined.

I wouldn't use an external service for this, it can be avoided.

On 23 Sep 2023 at 23:51:44, s...@gmx.com wrote:
> Is there a way to get sunrise and sunset time from command interpreter?
> I want to use its output for a script!
-- 
Carles Pina i Estany
https://carles.pina.cat || Wiktionary translations: https://kamus.pina.cat

Re: Sunrise and Sunset from terminal

[Tom Browder]

On Sun, Sep 24, 2023 at 00:00 s...@gmx.com  wrote:

> Is there a way to get sunrise and sunset time from command interpreter?
> I want to use its output for a script!


You can calculate it yourself using a Raku module at
https://github.com/tbrowder/Astro-Sunrise/;

Search https://raku.land to find any published Raku module.

There are also Perl modules to do the same thing to be found on CPAN.

-Tom

Re: Sunrise and Sunset from terminal

[Darac Marjal]

On 23/09/2023 22:51, s...@gmx.com wrote:

Is there a way to get sunrise and sunset time from command interpreter?
I want to use its output for a script!

I use "Sunwait" from https://github.com/risacher/sunwait which is a tool 
you can download and compile. I believe it works entirely offline, but - 
given a latitude and longitude - it can calculate Civil, Nautical and 
Astronomical twilight times. It also has a useful ability to pause until 
a particular state, which might be useful in scripts.




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Re: Sunrise and Sunset from terminal

[Stefano]

Cool this site..i didn't know it..thanks

Il 24 Settembre 2023 05:00:45 CEST, Greg Wooledge  ha 
scritto:
>On Sun, Sep 24, 2023 at 12:35:18AM +, Andy Smith wrote:
>> $ curl -s 
>> 'https://api.sunrise-sunset.org/json?lat=51.509865=-0.118092=0'
>>  | jq .
>> {
>>   "results": {
>> "sunrise": "2023-09-24T05:47:54+00:00",
>> "sunset": "2023-09-24T17:57:14+00:00",
>> "solar_noon": "2023-09-24T11:52:34+00:00",
>> "day_length": 43760,
>> "civil_twilight_begin": "2023-09-24T05:16:19+00:00",
>> "civil_twilight_end": "2023-09-24T18:28:49+00:00",
>> "nautical_twilight_begin": "2023-09-24T04:37:02+00:00",
>> "nautical_twilight_end": "2023-09-24T19:08:06+00:00",
>> "astronomical_twilight_begin": "2023-09-24T03:56:14+00:00",
>> "astronomical_twilight_end": "2023-09-24T19:48:54+00:00"
>>   },
>>   "status": "OK"
>> }
>> 
>> The documentation is here:
>> 
>> https://sunrise-sunset.org/api
>
>Yes, that's pretty reasonable.  The times are given in UTC, so they
>must be converted.  Fortunately, GNU date can do that for us.
>
>As a one-liner:
>
>unicorn:~$ curl -s 
>'https://api.sunrise-sunset.org/json?lat=41.4483=-82.1689=0' | 
>jq -r .results.sunrise,.results.sunset | { read -r sunrise; read -r sunset; 
>date "+Sunrise: %R" -d "$sunrise"; date "+Sunset: %R" -d "$sunset"; }
>Sunrise: 07:16
>Sunset: 19:24
>
>As a script:
>
>#!/bin/sh
>lat=41.4483
>lng=-82.1689
>curl -s "https://api.sunrise-sunset.org/json?lat=$lat=$lng=0; |
>  jq -r .results.sunrise,.results.sunset | {
>read -r sunrise
>read -r sunset
>date "+Sunrise: %R" -d "$sunrise"
>date "+Sunset: %R" -d "$sunset"
>  }
>

Re: Sunrise and Sunset from terminal

[Greg Wooledge]

On Sun, Sep 24, 2023 at 12:35:18AM +, Andy Smith wrote:
> $ curl -s 
> 'https://api.sunrise-sunset.org/json?lat=51.509865=-0.118092=0' 
> | jq .
> {
>   "results": {
> "sunrise": "2023-09-24T05:47:54+00:00",
> "sunset": "2023-09-24T17:57:14+00:00",
> "solar_noon": "2023-09-24T11:52:34+00:00",
> "day_length": 43760,
> "civil_twilight_begin": "2023-09-24T05:16:19+00:00",
> "civil_twilight_end": "2023-09-24T18:28:49+00:00",
> "nautical_twilight_begin": "2023-09-24T04:37:02+00:00",
> "nautical_twilight_end": "2023-09-24T19:08:06+00:00",
> "astronomical_twilight_begin": "2023-09-24T03:56:14+00:00",
> "astronomical_twilight_end": "2023-09-24T19:48:54+00:00"
>   },
>   "status": "OK"
> }
> 
> The documentation is here:
> 
> https://sunrise-sunset.org/api

Yes, that's pretty reasonable.  The times are given in UTC, so they
must be converted.  Fortunately, GNU date can do that for us.

As a one-liner:

unicorn:~$ curl -s 
'https://api.sunrise-sunset.org/json?lat=41.4483=-82.1689=0' | jq 
-r .results.sunrise,.results.sunset | { read -r sunrise; read -r sunset; date 
"+Sunrise: %R" -d "$sunrise"; date "+Sunset: %R" -d "$sunset"; }
Sunrise: 07:16
Sunset: 19:24

As a script:

#!/bin/sh
lat=41.4483
lng=-82.1689
curl -s "https://api.sunrise-sunset.org/json?lat=$lat=$lng=0; |
  jq -r .results.sunrise,.results.sunset | {
read -r sunrise
read -r sunset
date "+Sunrise: %R" -d "$sunrise"
date "+Sunset: %R" -d "$sunset"
  }

Re: Sunrise and Sunset from terminal

[Charles Curley]

On Sat, 23 Sep 2023 19:22:52 -0400
Felix Miata  wrote:

> It's still that idiotic AM/PM nonsense, and the : is in the wrong
> place.

Yup. I think it's locale-dependent, as you surmised.


# Optional: Insert a colon between hours and minutes. AM/PM times
# assumed.
SunriseTime="${SunriseTime:0:1}:${SunriseTime:1}"
SunsetTime="${SunsetTime:0:1}:${SunsetTime:1}"

echo "Sunrise Today:" "$SunriseTime" AM
echo "Sunset Today:" "$SunsetTime" PM

But I concur with Mr. Wooledge, this is hardly ideal.

-- 
Does anybody read signatures any more?

https://charlescurley.com
https://charlescurley.com/blog/

Re: Sunrise and Sunset from terminal

[Nate Bargmann]

If you don't want to scrape a Web page, or want this information when a
network is not available, the hdate package will do (referenced from:
https://unix.stackexchange.com/a/527031).

Here is an example for Topeka, KS:

$ hdate -l N39.034722 -L W95.695556 -s -z -5
Saturday, 23 September 2023, eve of 9 Tishrei 5784
sunrise: 07:10
sunset: 19:18
hdate: ALERT: The information displayed is for today's Hebrew date.
  Because it is now after sunset, that means the data is
  for the Gregorian day beginning at midnight.

- Nate

-- 
"The optimist proclaims that we live in the best of all
possible worlds.  The pessimist fears this is true."
Web: https://www.n0nb.us
Projects: https://github.com/N0NB
GPG fingerprint: 82D6 4F6B 0E67 CD41 F689 BBA6 FB2C 5130 D55A 8819



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Re: Sunrise and Sunset from terminal

[piorunz]

On 24/09/2023 01:35, Andy Smith wrote:

Hello,

On Sat, Sep 23, 2023 at 07:04:17PM -0400, Greg Wooledge wrote:

So, what to do instead?  I would first look for a data source that's
not intended to be displayed by a Javascript-enabled web browser.
Something that gives you the results in plain text would be great.
I doubt such a thing can be found easily.  Something that gives the
results in, say, JSON or XML format might be easier to find.


Here's one:

$ curl -s 
'https://api.sunrise-sunset.org/json?lat=51.509865=-0.118092=0' | 
jq .
{
   "results": {
 "sunrise": "2023-09-24T05:47:54+00:00",
 "sunset": "2023-09-24T17:57:14+00:00",
 "solar_noon": "2023-09-24T11:52:34+00:00",
 "day_length": 43760,
 "civil_twilight_begin": "2023-09-24T05:16:19+00:00",
 "civil_twilight_end": "2023-09-24T18:28:49+00:00",
 "nautical_twilight_begin": "2023-09-24T04:37:02+00:00",
 "nautical_twilight_end": "2023-09-24T19:08:06+00:00",
 "astronomical_twilight_begin": "2023-09-24T03:56:14+00:00",
 "astronomical_twilight_end": "2023-09-24T19:48:54+00:00"
   },
   "status": "OK"
}

The documentation is here:

 https://sunrise-sunset.org/api

Cheers,
Andy



Nice, thanks!
Creating a script based on that was a breeze. Not that I needed it :)

--
With kindest regards, Piotr.

⢀⣴⠾⠻⢶⣦⠀
⣾⠁⢠⠒⠀⣿⡁ Debian - The universal operating system
⢿⡄⠘⠷⠚⠋⠀ https://www.debian.org/
⠈⠳⣄

Re: Sunrise and Sunset from terminal

[Andy Smith]

Hello,

On Sat, Sep 23, 2023 at 07:04:17PM -0400, Greg Wooledge wrote:
> So, what to do instead?  I would first look for a data source that's
> not intended to be displayed by a Javascript-enabled web browser.
> Something that gives you the results in plain text would be great.
> I doubt such a thing can be found easily.  Something that gives the
> results in, say, JSON or XML format might be easier to find.

Here's one:

$ curl -s 
'https://api.sunrise-sunset.org/json?lat=51.509865=-0.118092=0' | 
jq .
{
  "results": {
"sunrise": "2023-09-24T05:47:54+00:00",
"sunset": "2023-09-24T17:57:14+00:00",
"solar_noon": "2023-09-24T11:52:34+00:00",
"day_length": 43760,
"civil_twilight_begin": "2023-09-24T05:16:19+00:00",
"civil_twilight_end": "2023-09-24T18:28:49+00:00",
"nautical_twilight_begin": "2023-09-24T04:37:02+00:00",
"nautical_twilight_end": "2023-09-24T19:08:06+00:00",
"astronomical_twilight_begin": "2023-09-24T03:56:14+00:00",
"astronomical_twilight_end": "2023-09-24T19:48:54+00:00"
  },
  "status": "OK"
}

The documentation is here:

https://sunrise-sunset.org/api

Cheers,
Andy

-- 
https://bitfolk.com/ -- No-nonsense VPS hosting

Re: Sunrise and Sunset from terminal

[piorunz]

On 24/09/2023 00:04, Greg Wooledge wrote:

By the way, do you know what tool does NOT parse HTML correctly?
A mashup of grep, awk and sed.  Seriously, don't do this, ever.


I don't care, it works for me perfectly well. My own city, and every
other I tried.

Random city:
$ head -n 3 suntimes.sh | tail -n 1 && ./suntimes.sh
SunTimes=$(curl --silent
"https://www.timeanddate.com/sun/germany/berlin; 2>/dev/null)
Sunrise Today: 06:55
Sunset Today: 19:01

$ head -n 3 suntimes.sh | tail -n 1 && ./suntimes.sh
SunTimes=$(curl --silent
"https://www.timeanddate.com/sun/australia/sydney; 2>/dev/null)
Sunrise Today: 05:42
Sunset Today: 17:52

Enough for my Raspberry Pi controlled garden lights to turn on at dusk
and turn off at dawn. And it's been like that for last 2 years without a
single fail.

You want any better? Write it yourself.

--
With kindest regards, Piotr.

⢀⣴⠾⠻⢶⣦⠀
⣾⠁⢠⠒⠀⣿⡁ Debian - The universal operating system
⢿⡄⠘⠷⠚⠋⠀ https://www.debian.org/
⠈⠳⣄

Re: Sunrise and Sunset from terminal

[piorunz]

On 24/09/2023 00:22, Felix Miata wrote:


sh srss.sh

Sunrise Today: 71:8
Sunset Today: 72:4



It's still that idiotic AM/PM nonsense, and the : is in the wrong place.


Your city in my terminal is displayed correctly:
Sunrise Today: 07:18
Sunset Today: 19:24

Looks like the website has decided to display it differently for you,
based on your location. For me, it displays in 24 hours format, for you,
in AM/PM format.
You will have to modify the script, but it should be very easy, start
from disabling insert colon section and work from there.

--
With kindest regards, Piotr.

⢀⣴⠾⠻⢶⣦⠀
⣾⠁⢠⠒⠀⣿⡁ Debian - The universal operating system
⢿⡄⠘⠷⠚⠋⠀ https://www.debian.org/
⠈⠳⣄

Re: Sunrise and Sunset from terminal

[Felix Miata]

piorunz composed on 2023-09-23 23:50 (UTC+0100):

> Felix Miata wrote:
 
>>> sh srss.sh
>> Sunrise Today: 64:7889657242711361093201601361071834
>> Sunset Today: 65:7242711361093201601361071834
>

>> That sort of resembles the half day format common outside the military.
 
> Sorry, works for me.
 
> Don't forget to fix line breaks in three lines (curl and grep/awk/sed
> lines), because e-mail client splitted them.
> Also, your city may not be supported by this website, this you changed it? 

Still doesn't make sense:

> cat srss.sh
#!/bin/bash

SunTimes=$(curl --silent "https://www.timeanddate.com/sun/usa/gainesville; 
2>/dev/null)

SunriseTime=$(echo "$SunTimes" | grep -o 'Sunrise Today.*' | awk '{print $3}' | 
sed 's/[^0-9]//g')
SunsetTime=$(echo "$SunTimes" | grep -o 'Sunset Today.*' | awk '{print $3}' | 
sed 's/[^0-9]//g')

# Optional: Insert a colon between hours and minutes
SunriseTime="${SunriseTime:0:2}:${SunriseTime:2}"
SunsetTime="${SunsetTime:0:2}:${SunsetTime:2}"

echo "Sunrise Today:" $SunriseTime
echo "Sunset Today:" $SunsetTime
> sh srss.sh
Sunrise Today: 71:8
Sunset Today: 72:4
>
It's still that idiotic AM/PM nonsense, and the : is in the wrong place.
-- 
Evolution as taught in public schools is, like religion,
based on faith, not based on science.

 Team OS/2 ** Reg. Linux User #211409 ** a11y rocks!

Felix Miata

Re: Sunrise and Sunset from terminal

[Greg Wooledge]

On Sat, Sep 23, 2023 at 06:45:08PM -0400, Felix Miata wrote:
> piorunz composed on 2023-09-23 23:35 (UTC+0100):
> 
> > SunTimes=$(curl --silent "https://www.timeanddate.com/sun/uk/london;
> > 2>/dev/null)
[...]

> > sh srss.sh
> Sunrise Today: 64:7889657242711361093201601361071834
> Sunset Today: 65:7242711361093201601361071834
> >
> 
> That sort of resembles the half day format common outside the military.

The web site in question 
gives me a page full of HTML and Javascript and gods only know what
else.  The shell script which "parses" this is absolutely not doing
it correctly, if indeed it's even *possible* to do correctly.

Take it apart piece by piece.

unicorn:~$ curl -s https://www.timeanddate.com/sun/uk/london | grep 'Sunrise 
Today'
Sun & Moon Today Sunrise & Sunset Moonrise & Moonset 
Moon Phases Eclipses Night Sky Daylight6:47 
am  6:57 pm12 hours, 10 minutesCurrent Time: Sep 
23, 2023 at 11:51:30 pmSun Direction: ↑ 341° 
NorthSun Altitude: -37.1°Sun Distance: 93.273 
million miNext Solstice: Dec 22, 2023 3:27 am 
(Winter)Sunrise Today: 6:47 am↑ 89° EastSunset 
Today: 6:57 pm↑ 271° West

As you can see, parsing the 2100-character-long "line" of the page which
contains the substring "Sunrise Today" gives more rubbish than answer.
Simply discarding all of the non-digit characters leaves you with all
of the digit characters from the rubbish, which is not by any means a
useful piece of output.

So, what to do instead?  I would first look for a data source that's
not intended to be displayed by a Javascript-enabled web browser.
Something that gives you the results in plain text would be great.
I doubt such a thing can be found easily.  Something that gives the
results in, say, JSON or XML format might be easier to find.  Then
you "only" need to write code that parses JSON or XML (realistically
meaning you call upon a dedicated tool or library for doing so).

Failing that -- and really, this is a LAST resort, not a first resort --
you could parse the HTML here.  Find a tool that parses HTML, which
usually have names like "xpath" or "xslt" or something.  Then analyze
the HTML yourself, figure out the hierarchical structure of the elements,
and use your knowledge of this layout when applying your HTML parsing
tool.

In this specific example, I see a table with

Sunrise Today: 6:47 am

inside it.  A decent HTML parsing tool should be able to zero in on
the correct table, then iterate through rows until it finds the one
with "Sunrise Today" as a substring in its  element, and then
spit out the first  element.

Finding an alternative data source that doesn't require this level of
parsing is a far superior choice, if it's possible.

By the way, do you know what tool does NOT parse HTML correctly?
A mashup of grep, awk and sed.  Seriously, don't do this, ever.

Re: Sunrise and Sunset from terminal

[piorunz]

On 23/09/2023 23:45, Felix Miata wrote:


sh srss.sh

Sunrise Today: 64:7889657242711361093201601361071834
Sunset Today: 65:7242711361093201601361071834




That sort of resembles the half day format common outside the military.


Sorry, works for me.

./suntimes.sh
Sunrise Today: 06:47
Sunset Today: 18:57

Don't forget to fix line breaks in three lines (curl and grep/awk/sed
lines), because e-mail client splitted them.
Also, your city may not be supported by this website, this you changed it?

--
With kindest regards, Piotr.

⢀⣴⠾⠻⢶⣦⠀
⣾⠁⢠⠒⠀⣿⡁ Debian - The universal operating system
⢿⡄⠘⠷⠚⠋⠀ https://www.debian.org/
⠈⠳⣄

Re: Sunrise and Sunset from terminal

[Felix Miata]

piorunz composed on 2023-09-23 23:35 (UTC+0100):

> #!/bin/bash

> SunTimes=$(curl --silent "https://www.timeanddate.com/sun/uk/london;
> 2>/dev/null)

> SunriseTime=$(echo "$SunTimes" | grep -o 'Sunrise Today.*' | awk '{print
> $3}' | sed 's/[^0-9]//g')
> SunsetTime=$(echo "$SunTimes" | grep -o 'Sunset Today.*' | awk '{print
> $3}' | sed 's/[^0-9]//g')

> # Optional: Insert a colon between hours and minutes
> SunriseTime="${SunriseTime:0:2}:${SunriseTime:2}"
> SunsetTime="${SunsetTime:0:2}:${SunsetTime:2}"

> echo "Sunrise Today:" $SunriseTime
> echo "Sunset Today:" $SunsetTime

> sh srss.sh
Sunrise Today: 64:7889657242711361093201601361071834
Sunset Today: 65:7242711361093201601361071834
>

That sort of resembles the half day format common outside the military.
-- 
Evolution as taught in public schools is, like religion,
based on faith, not based on science.

 Team OS/2 ** Reg. Linux User #211409 ** a11y rocks!

Felix Miata

Re: Sunrise and Sunset from terminal

[piorunz]

On 23/09/2023 22:51, s...@gmx.com wrote:

Is there a way to get sunrise and sunset time from command interpreter?
I want to use its output for a script!


Of course.

#!/bin/bash

SunTimes=$(curl --silent "https://www.timeanddate.com/sun/uk/london;
2>/dev/null)

SunriseTime=$(echo "$SunTimes" | grep -o 'Sunrise Today.*' | awk '{print
$3}' | sed 's/[^0-9]//g')
SunsetTime=$(echo "$SunTimes" | grep -o 'Sunset Today.*' | awk '{print
$3}' | sed 's/[^0-9]//g')

# Optional: Insert a colon between hours and minutes
SunriseTime="${SunriseTime:0:2}:${SunriseTime:2}"
SunsetTime="${SunsetTime:0:2}:${SunsetTime:2}"

echo "Sunrise Today:" $SunriseTime
echo "Sunset Today:" $SunsetTime

--
With kindest regards, Piotr.

⢀⣴⠾⠻⢶⣦⠀
⣾⠁⢠⠒⠀⣿⡁ Debian - The universal operating system
⢿⡄⠘⠷⠚⠋⠀ https://www.debian.org/
⠈⠳⣄

Re: Sunrise and Sunset from terminal

[ghe2001]

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--- Original Message ---
On Saturday, September 23rd, 2023 at 3:51 PM, s...@gmx.com  wrote:


> Is there a way to get sunrise and sunset time from command interpreter?

Looks like several:

https://duckduckgo.com/?t=ftsa=linux+sunrise=web

--
Glenn English
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Sunrise and Sunset from terminal

[s...@gmx.com]

Is there a way to get sunrise and sunset time from command interpreter?
I want to use its output for a script!