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e936aaf134
* Currently prediction hours are relative from current hour and don't adjust on daylight saving change. * ist_dst_wechsel now unused.
25 lines
875 B
Python
25 lines
875 B
Python
import datetime
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import zoneinfo
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# currently unused
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def ist_dst_wechsel(tag: datetime.datetime, timezone="Europe/Berlin") -> bool:
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"""Checks if Daylight Saving Time (DST) starts or ends on a given day."""
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tz = zoneinfo.ZoneInfo(timezone)
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# Get the current day and the next day
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current_day = datetime.datetime(tag.year, tag.month, tag.day)
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next_day = current_day + datetime.timedelta(days=1)
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# Check if the UTC offsets are different (indicating a DST change)
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dst_change = current_day.replace(tzinfo=tz).dst() != next_day.replace(tzinfo=tz).dst()
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return dst_change
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# # Example usage
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# start_date = datetime.datetime(2024, 3, 31) # Date of the DST change
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# if ist_dst_wechsel(start_date):
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# prediction_hours = 23 # Adjust to 23 hours for DST change days
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# else:
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# prediction_hours = 24 # Default value for days without DST change
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