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Fix for weird timezones

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This commit is contained in:
Alexey Milovidov 2020-04-20 10:10:25 +03:00
parent 83e17ae327
commit 860c4a27bd
1 changed files with 5 additions and 5 deletions
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10
base/common/DateLUTImpl.h
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@ -95,14 +95,14 @@ private:
/// UTC offset is from -12 to +14 in all known time zones. This requires checking only three indices.
if ((guess == 0 || t >= lut[guess].date) && t < lut[DayNum(guess + 1)].date)
if (t >= lut[guess].date && t < lut[DayNum(guess + 1)].date)
return guess;
/// Time zones that have offset 0 from UTC do daylight saving time change (if any) towards increasing UTC offset (example: British Standard Time).
if (offset_at_start_of_epoch >= 0)
return DayNum(guess + 1);
if (t < lut[guess].date)
return DayNum(guess - 1);
return DayNum(guess - 1);
return DayNum(guess + 1);
}
inline const Values & find(time_t t) const
@ -579,7 +579,7 @@ public:
return t / 3600;
/// Assume that if offset was fractional, then the fraction is the same as at the beginning of epoch.
/// NOTE This assumption is false for "Pacific/Pitcairn" time zone.
/// NOTE This assumption is false for "Pacific/Pitcairn" and "Pacific/Kiritimati" time zones.
return (t + 86400 - offset_at_start_of_epoch) / 3600;
}