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Fixes timezone bias on Windows #744

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Merged
merged 1 commit into from
Dec 9, 2024
Merged

Fixes timezone bias on Windows #744

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11 changes: 8 additions & 3 deletions quickjs.c
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Original file line number Diff line number Diff line change
Expand Up @@ -43386,9 +43386,14 @@ static const JSCFunctionListEntry js_math_obj[] = {
between UTC time and local time 'd' in minutes */
static int getTimezoneOffset(int64_t time) {
#if defined(_WIN32)
TIME_ZONE_INFORMATION time_zone_info;
GetTimeZoneInformation(&time_zone_info);
return (int)time_zone_info.Bias / 60;
DWORD r;
TIME_ZONE_INFORMATION t;
r = GetTimeZoneInformation(&t);
if (r == TIME_ZONE_ID_INVALID)
return 0;
if (r == TIME_ZONE_ID_DAYLIGHT)
return (int)(t.Bias + t.DaylightBias);
return (int)t.Bias;
#else
time_t ti;
struct tm tm;
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