732642856
18 lines
687 B
Python
18 lines
687 B
Python
from datetime import datetime
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import logging
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def infer_timezone(lat: float, lon: float, dt: datetime, default: float = 8.0) -> float:
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try:
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from timezonefinder import TimezoneFinder
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import pytz
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tf = TimezoneFinder()
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tz_name = tf.timezone_at(lng=lon, lat=lat)
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if tz_name:
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offset_seconds = pytz.timezone(tz_name).localize(dt).utcoffset().total_seconds()
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offset = float(offset_seconds / 3600.0)
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logging.info(f"[Timezone Auth] Detected {tz_name} offset {offset} for {dt}")
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return offset
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except Exception as e:
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logging.warning(f"Timezone inference failed: {e}")
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return float(default)
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