| Daylight Saving Time started | When local standard time is about to reach
Midnight between Saturday, October 2, 1999 and Sunday, October 3, 1999 clocks are turned forward 1 hour to
Sunday, October 3, 1999 at 1:00:00 AM local daylight time instead Seconds before and after the change:
| Local time | DST? | UTC offset | Zone name |
|---|
| Saturday, October 2, 1999 at 11:59:57 PM | No | -3 hours | BRT | | Saturday, October 2, 1999 at 11:59:58 PM | No | -3 hours | BRT | | Saturday, October 2, 1999 at 11:59:59 PM | No | -3 hours | BRT | | Sunday, October 3, 1999 at 1:00:00 AM | 1 hour | -2 hours | BRST | | Sunday, October 3, 1999 at 1:00:01 AM | 1 hour | -2 hours | BRST | | Sunday, October 3, 1999 at 1:00:02 AM | 1 hour | -2 hours | BRST |
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