Daylight Savings Time Changes in China 🇨🇳 (1940)
| Country: | China |
| Capital: | Beijing |
| Abbreviations: | CN, CHN |
| IANA Time Zones: | 7 |
| Dial Code: | +86 |
Daylight Savings Time Schedule and Information
Before
23
:
59
After
01
:
00
31 MAY
31 May 1940 - Daylight Saving Time Starts
When local standard time is about to reach Friday, 31 May 1940, 23:59 clocks are turned forward 1 hour to
Friday, 31 May 1940, 01:00 local daylight time instead.
Sunrise and sunset will be about 1 hour later on 31 May 1940 than the day before. There will be more light in the evening.
Also called Spring Forward.
Before
23
:
59
After
23
:
00
12 OCT
12 Oct 1940 - Daylight Saving Time Ends
When local standard time is about to reach Saturday, 12 October 1940, 23:59 clocks are turned backward 1 hour to
Saturday, 12 October 1940, 23:00 local standard time instead.
Sunrise and sunset will be about 1 hour earlier on 12 Oct 1940 than the day before. There will be more light in the morning.
Also called Fall Back.
Daylight Savings Time Schedules by Provinces in China (1940)
| Province | DST Start (Spring) | DST End (Fall) |
|---|---|---|
| Anhui | 31 May 1940 | 12 Oct 1940 |
| Beijing | 31 May 1940 | 12 Oct 1940 |
| Chongqing | 31 May 1940 | 12 Oct 1940 |
| Fujian | 31 May 1940 | 12 Oct 1940 |
| Gansu | 31 May 1940 | 12 Oct 1940 |
| Guangdong | 31 May 1940 | 12 Oct 1940 |
| Guangxi | 31 May 1940 | 12 Oct 1940 |
| Guizhou | 31 May 1940 | 12 Oct 1940 |
| Hainan | 31 May 1940 | 12 Oct 1940 |
| Hebei | 31 May 1940 | 12 Oct 1940 |
| Heilongjiang | 31 May 1940 | 12 Oct 1940 |
| Henan | 31 May 1940 | 12 Oct 1940 |
| Hubei | 31 May 1940 | 12 Oct 1940 |
| Hunan | 31 May 1940 | 12 Oct 1940 |
| Inner Mongolia | 31 May 1940 | 12 Oct 1940 |
| Jiangsu | 31 May 1940 | 12 Oct 1940 |
| Jiangxi | 31 May 1940 | 12 Oct 1940 |
| Jilin | 31 May 1940 | 12 Oct 1940 |
| Liaoning | 31 May 1940 | 12 Oct 1940 |
| Ningxia | 31 May 1940 | 12 Oct 1940 |
| Qinghai | 31 May 1940 | 12 Oct 1940 |
| Shaanxi | 31 May 1940 | 12 Oct 1940 |
| Shandong | 31 May 1940 | 12 Oct 1940 |
| Shanghai | 31 May 1940 | 12 Oct 1940 |
| Shanxi | 31 May 1940 | 12 Oct 1940 |
| Sichuan | 31 May 1940 | 12 Oct 1940 |
| Tianjin | 31 May 1940 | 12 Oct 1940 |
| Tibet | 31 May 1940 | 12 Oct 1940 |
| Yunnan | 31 May 1940 | 12 Oct 1940 |
| Zhejiang | 31 May 1940 | 12 Oct 1940 |
Provinces in China that do not observe Daylight Savings Time
DST Changes Summary for China
| Date | Year | Change | Time | Details |
|---|---|---|---|---|
| 14 Apr | 1991 | Forward 1 hour | 01:59 ➜ 03:00 | Daylight Saving Start |
| 15 Sep | 1991 | Back 1 hour | 01:59 ➜ 01:00 | Daylight Saving End |
Read More About Daylight Savings Time
Common Questions about Daylight Savings Time Changes in China
Does China use Daylight Saving Time in 1940?
Yes, China observes Daylight Saving Time during the 1940 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.
Note that this does not apply to the entire country, as 1 provinces do not participate in the change.
When do the clocks change next in China?
The next scheduled time transition in China will take place on Friday, 31 May 1940. 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 China follow the same time change schedule?
No. While the majority of China observes Daylight Saving Time, there are regional exceptions. Currently, 1 provinces (including Xinjiang) stay on standard time year-round.
How will the next transition affect the day in China?
Following the shift on 31 May 1940, 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.