When local standard time is about to reach Midnight between Wednesday, December 31, 1986 and Thursday, January 1, 1987 clocks are turned forward 1 hour to Thursday, January 1, 1987 at 1:00:00 AM local daylight time instead
Seconds before and after the change:
Local time
DST?
UTC offset
Zone name
Wednesday, December 31, 1986 at 11:59:57 PM
No
-5 hours
PET
Wednesday, December 31, 1986 at 11:59:58 PM
No
-5 hours
PET
Wednesday, December 31, 1986 at 11:59:59 PM
No
-5 hours
PET
Thursday, January 1, 1987 at 1:00:00 AM
1 hour
-4 hours
PEST
Thursday, January 1, 1987 at 1:00:01 AM
1 hour
-4 hours
PEST
Thursday, January 1, 1987 at 1:00:02 AM
1 hour
-4 hours
PEST
Daylight Saving Time ended
When local daylight time is about to reach Midnight between Tuesday, March 31, 1987 and Wednesday, April 1, 1987 clocks are turned backward 1 hour to Tuesday, March 31, 1987 at 11:00:00 PM local standard time instead
