Fix daylight savings time bug noticed by Phos Quartz

Changes

1 changed files (+9/-0)

• sunwait.cpp
  • @@ -860,6 +860,15 @@
    // Shave off (add) UTC offset, so that time_t is converted from midnight local-time to midnight UTC on the target day targetTm.tm_sec += myRound (pRun->utcBiasHours * 60.0 * 60.0); + // Adjustment below suggested by Phos Quartz on sourceforge.net to + // address the case when invocation time and target time are not + // in the same timezone (i.e. standard time vs daylight time) + // see https://sourceforge.net/p/sunwait4windows/discussion/general/thread/98fc17dd5f/ + struct tm localTm; + myLocalTime (&pRun->nowTimet, &localTm); + int isdst = localTm.tm_isdst; + targetTm.tm_isdst = isdst; + // All done pRun->targetTimet = mktime (&targetTm); // <<<<<< The important bit done <<< targetTimet is set to midnight UTC