Daylight Savings Time Changes in Japan 🇯🇵 (1951)
| Country: | Japan |
| Capital: | Tokyo |
| Abbreviations: | JP, JPN |
| IANA Time Zones: | 2 |
| Dial Code: | +81 |
Daylight Savings Time Schedule and Information
Before
23
:
59
After
01
:
00
5 MAY
05 May 1951 - Daylight Saving Time Starts
When local standard time is about to reach Saturday, 05 May 1951, 23:59 clocks are turned forward 1 hour to
Saturday, 05 May 1951, 01:00 local daylight time instead.
Sunrise and sunset will be about 1 hour later on 05 May 1951 than the day before. There will be more light in the evening.
Also called Spring Forward.
Before
00
:
59
After
00
:
00
9 SEP
09 Sep 1951 - Daylight Saving Time Ends
When local standard time is about to reach Sunday, 09 September 1951, 00:59 clocks are turned backward 1 hour to
Sunday, 09 September 1951, 00:00 local standard time instead.
Sunrise and sunset will be about 1 hour earlier on 09 Sep 1951 than the day before. There will be more light in the morning.
Also called Fall Back.
Daylight Savings Time Schedules by Prefectures in Japan (1951)
| Prefecture | DST Start (Spring) | DST End (Fall) |
|---|---|---|
| Aichi | 05 May 1951 | 09 Sep 1951 |
| Akita | 05 May 1951 | 09 Sep 1951 |
| Aomori | 05 May 1951 | 09 Sep 1951 |
| Chiba | 05 May 1951 | 09 Sep 1951 |
| Ehime | 05 May 1951 | 09 Sep 1951 |
| Fukui | 05 May 1951 | 09 Sep 1951 |
| Fukuoka | 05 May 1951 | 09 Sep 1951 |
| Fukushima | 05 May 1951 | 09 Sep 1951 |
| Gifu | 05 May 1951 | 09 Sep 1951 |
| Gunma | 05 May 1951 | 09 Sep 1951 |
| Hiroshima | 05 May 1951 | 09 Sep 1951 |
| Hokkaido | 05 May 1951 | 09 Sep 1951 |
| Hyōgo | 05 May 1951 | 09 Sep 1951 |
| Ibaraki | 05 May 1951 | 09 Sep 1951 |
| Ishikawa | 05 May 1951 | 09 Sep 1951 |
| Iwate | 05 May 1951 | 09 Sep 1951 |
| Kagawa | 05 May 1951 | 09 Sep 1951 |
| Kagoshima | 05 May 1951 | 09 Sep 1951 |
| Kanagawa | 05 May 1951 | 09 Sep 1951 |
| Kochi | 05 May 1951 | 09 Sep 1951 |
| Kumamoto | 05 May 1951 | 09 Sep 1951 |
| Kyoto | 05 May 1951 | 09 Sep 1951 |
| Mie | 05 May 1951 | 09 Sep 1951 |
| Miyagi | 05 May 1951 | 09 Sep 1951 |
| Miyazaki | 05 May 1951 | 09 Sep 1951 |
| Nagano | 05 May 1951 | 09 Sep 1951 |
| Nagasaki | 05 May 1951 | 09 Sep 1951 |
| Nara | 05 May 1951 | 09 Sep 1951 |
| Niigata | 05 May 1951 | 09 Sep 1951 |
| Oita | 05 May 1951 | 09 Sep 1951 |
| Okayama | 05 May 1951 | 09 Sep 1951 |
| Okinawa | 05 May 1951 | 09 Sep 1951 |
| Osaka | 05 May 1951 | 09 Sep 1951 |
| Saga | 05 May 1951 | 09 Sep 1951 |
| Saitama | 05 May 1951 | 09 Sep 1951 |
| Shiga | 05 May 1951 | 09 Sep 1951 |
| Shimane | 05 May 1951 | 09 Sep 1951 |
| Shizuoka | 05 May 1951 | 09 Sep 1951 |
| Tochigi | 05 May 1951 | 09 Sep 1951 |
| Tokushima | 05 May 1951 | 09 Sep 1951 |
| Tokyo | 05 May 1951 | 09 Sep 1951 |
| Tottori | 05 May 1951 | 09 Sep 1951 |
| Toyama | 05 May 1951 | 09 Sep 1951 |
| Wakayama | 05 May 1951 | 09 Sep 1951 |
| Yamagata | 05 May 1951 | 09 Sep 1951 |
| Yamaguchi | 05 May 1951 | 09 Sep 1951 |
| Yamanashi | 05 May 1951 | 09 Sep 1951 |
DST Changes Summary for Japan
| Date | Year | Change | Time | Details |
|---|---|---|---|---|
| 05 May | 1951 | Forward 1 hour | 23:59 ➜ 01:00 | Daylight Saving Start |
| 09 Sep | 1951 | Back 1 hour | 00:59 ➜ 00:00 | Daylight Saving End |
Read More About Daylight Savings Time
Common Questions about Daylight Savings Time Changes in Japan
Does Japan use Daylight Saving Time in 1951?
Yes, Japan observes Daylight Saving Time during the 1951 calendar year. The country follows the practice of shifting clocks to better align waking hours with the available evening sunlight during the spring and summer months.
When do the clocks change next in Japan?
The next scheduled time transition in Japan will take place on Saturday, 05 May 1951. At 23:59 local time, clocks will be turned forward by 1 hour. This specific change marks the transition to daylight saving time starts.
Does all of Japan follow the same time change schedule?
Yes, the calendar dates for starting and ending Daylight Saving Time are consistent across the country. However, because Japan spans 2 different time zones, the actual moment the clocks move occurs at different times depending on the local timezone of each prefecture.
How will the next transition affect the day in Japan?
Following the shift on 05 May 1951, you will notice that there is more light in the evening compared to the day before. While the transition may temporarily disrupt sleep patterns, the primary goal of this forward shift is to maximize usable daylight for the population.