Summer to Winter time / Winter to Summer time Calculator
Daylight Saving Time calculator
An online daylight saving time calculation
Daylight Saving Time (DST)
To set your clocks forward 1 hour in the spring at the start of DST, and 1 hour back in the fall when DST ends.
This calculator is converts from summer time (DST) to winter time (Normal time)
Summer time = winter time + 1 h
Example of DST Start
The DST period in the United States begins at 02:00 (2 am) local time,
Therefore the hour from 02:00:00 to 02:59:59 does not exist in the night of the switch.
It is skipped as clocks spring forward from 01:59:59 standard time to 03:00:00 Daylight Saving Time.
|Local Time||DST or Standard Time||Comments|
clocks jump ahead by 1 hour
Example of DST End
In the United States, DST always ends at 02:00 (2 am) local time and clocks are set back to 01:00 (1 am).
When the time first reaches 1:59:59 and clocks jump back to 1:00:00 standard time and begin ticking towards 2 oclock for a second time.
When the repeated hour is over, local time goes from 1:59:59 to 2:00:00
|Local time||DST or standard time||Comments|
clocks fall back by 1 hour