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Clock Changes in 22°14'N, 114°12'E, Hong Kong in 1971

Last change: 1979
Oct
21
1 hour Back

Oct 21, 1979, 3:30 am

Start DST: Sunday, April 18, 1971
 1 hour forward

End DST: Sunday, October 17, 1971
 1 hour backward

Location of 22°14'N, 114°12'ELocation

Apr 18

Forward 1 hour

Apr 18, 1971 - Daylight Saving Time Started

When local standard time was about to reach
Sunday, April 18, 1971, 3:30:00 am clocks were turned forward 1 hour to
Sunday, April 18, 1971, 4:30:00 am local daylight time instead.

Sunrise and sunset were about 1 hour later on Apr 18, 1971 than the day before. There was more light in the evening.

Also called Spring Forward, Summer Time, and Daylight Savings Time.

Oct 17

Back 1 hour

Oct 17, 1971 - Daylight Saving Time Ended

When local daylight time was about to reach
Sunday, October 17, 1971, 3:30:00 am clocks were turned backward 1 hour to
Sunday, October 17, 1971, 2:30:00 am local standard time instead.

Sunrise and sunset were about 1 hour earlier on Oct 17, 1971 than the day before. There was more light in the morning.

Also called Fall Back and Winter Time.

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Other years: 1970 | 1971 | 1972 | 1973 | 1974 | 1975 | 1976

Daylight Saving Time in Other Years

DST changes do not necessarily occur on the same date every year.

YearDST Start (Clock Forward)DST End (Clock Backward)
* 1970Sunday, April 19, 3:30 amSunday, October 18, 3:30 am
* 1971Sunday, April 18, 3:30 amSunday, October 17, 3:30 am
* 1972Sunday, April 16, 3:30 amSunday, October 22, 3:30 am
* 1973Sunday, April 22, 3:30 amSunday, October 21, 3:30 am
* 1974No DST StartSunday, October 20, 3:30 am
* 1975Sunday, April 20, 3:30 amSunday, October 19, 3:30 am
* 1976Sunday, April 18, 3:30 amSunday, October 17, 3:30 am
1977 — 1978DST not observed
* 1979Sunday, May 13, 3:30 amSunday, October 21, 3:30 am
All times are local for 22°14'N, 114°12'E.
*Some or part of this period was on double DST.

Data for the years before 1970 is not available for 22°14'N, 114°12'E, however, we have earlier time zone history for Hong Kong available.

Detailed time zone and clock changes in 22°14'N, 114°12'E