Sonins commented on a change in pull request #20508:
URL: https://github.com/apache/airflow/pull/20508#discussion_r782623943
##########
File path: airflow/utils/dates.py
##########
@@ -257,7 +257,9 @@ def days_ago(n, hour=0, minute=0, second=0, microsecond=0):
Get a datetime object representing `n` days ago. By default the time is
set to midnight.
"""
- today = timezone.utcnow().replace(hour=hour, minute=minute, second=second,
microsecond=microsecond)
+ today = datetime.now(timezone.TIMEZONE).replace(
+ hour=hour, minute=minute, second=second, microsecond=microsecond
+ )
Review comment:
`date.today()` is UTC today(). So e.g. when it is `2021-01-12 00:00` in
UTC, date.today() returns `2021-01-12` even though it is still `2021-01-11` in
Los Angeles time. `today()` is classmethod and does not take any other
argument, so we can just use `datetime.now()` for date parameter in
`datetime.combine()`.
```python
def days_ago(n, hour=0, minute=0, second=0, microsecond=0):
return datetime.combine(
datetime.now(timezone.TIMEZONE) - timedelta(days=n),
time(hour, minute, second, microsecond, tzinfo=timezone.TIMEZONE),
)
```
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