schwartzpub opened a new issue, #29037:
URL: https://github.com/apache/airflow/issues/29037
### Apache Airflow version
2.5.0
### What happened
When using cron syntax for DAG schedule, the scheduler is not running DAGs
at the correct time for my timezone. For instance, a DAG that should run at
6:00am is running at 12:00am as though the scheduler believes the system time
is set for UTC.
- Changing `default_timezone` in airflow.cfg doesn't seem to affect runtime.
- Changing DAG schedule to use
`start_date=pendulum.datetime(2023,1,17,tz='Asia/Bishkek')` and then setting
the UI to UTC will show the correct time and run the DAG at the correct time
for America/Chicago
-
airflow.cfg
`default_timezone = America/Chicago`
Ubuntu 20.04LTS
```
user@host:~$ sudo timedatectl
Local time: Thu 2023-01-19 06:44:37 CST
Universal time: Thu 2023-01-19 12:44:37 UTC
RTC time: Thu 2023-01-19 12:44:36
Time zone: America/Chicago (CST, -0600)
System clock synchronized: yes
NTP service: active
RTC in local TZ: no
```
dag.py
```
...
schedule="*/15 6-17 * * 1-5",
start_date=pendulum.datetime(2023,1,17,tz='America/Chicago'),
catchup=True,
...
```
When checking the DAG details in the UI, I see this which leads me to
believe something is converting my schedule to UTC when the DAG is imported:
`next_dagrun_data_interval = DataInterval(start=DateTime(2023, 1, 19, 6, 45,
0, tzinfo=Timezone('UTC')), end=DateTime(2023, 1, 19, 7, 0, 0,
tzinfo=Timezone('UTC')))`
### What you think should happen instead
The DAG should run every 15min between 6a-6p CST in respect to the system,
Airflow, and DAG timezone configuration.
### How to reproduce
_No response_
### Operating System
Ubuntu 20.04 LTS
### Versions of Apache Airflow Providers
apache-airflow-providers-celery==3.1.0
apache-airflow-providers-common-sql==1.3.2
apache-airflow-providers-ftp==3.3.0
apache-airflow-providers-http==4.1.0
apache-airflow-providers-imap==3.1.1
apache-airflow-providers-microsoft-mssql==3.3.2
apache-airflow-providers-sqlite==3.3.1
### Deployment
Other
### Deployment details
Manual install of apache-airflow using pip.
### Anything else
_No response_
### Are you willing to submit PR?
- [ ] Yes I am willing to submit a PR!
### Code of Conduct
- [X] I agree to follow this project's [Code of
Conduct](https://github.com/apache/airflow/blob/main/CODE_OF_CONDUCT.md)
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