Is it daylight saving time1May 987 in birthdates?

In China, from 1986 to 199 1, every year from 2 am on the second Sunday in April to 2 am on the second Sunday in September, during this period, the national time is set forward by 1 hour, and daylight saving time is implemented. From 2 am on the second Sunday in September, the fast time will be dialed back again until 2 am on the second Sunday in April of the following year.

Other countries, such as Britain, Germany and the United States, also use daylight saving time.

If it is daylight saving time, calculate the constellation.