When local daylight time is about to reach Midnight between Saturday, April 3, 1999 and Sunday, April 4, 1999 clocks are turned backward 1 hour to Saturday, April 3, 1999 at 11:00:00 PM local standard time instead
Seconds before and after the change:
Local time
DST?
UTC offset
Zone name
Saturday, April 3, 1999 at 11:59:57 PM
1 hour
-3 hours
CLST
Saturday, April 3, 1999 at 11:59:58 PM
1 hour
-3 hours
CLST
Saturday, April 3, 1999 at 11:59:59 PM
1 hour
-3 hours
CLST
Saturday, April 3, 1999 at 11:00:00 PM
No
-4 hours
CLT
Saturday, April 3, 1999 at 11:00:01 PM
No
-4 hours
CLT
Saturday, April 3, 1999 at 11:00:02 PM
No
-4 hours
CLT
Daylight Saving Time started
When local standard time is about to reach Midnight between Saturday, October 9, 1999 and Sunday, October 10, 1999 clocks are turned forward 1 hour to Sunday, October 10, 1999 at 1:00:00 AM local daylight time instead
