Size of the month in the solar calendar:
4, 6, 9, 1 1 refers to 30 days of abortion, 1, 3, 5, 7, 8, 10, 12 refers to 3 months1day, and the average year is 28 days.
The size of the months in the solar calendar is regular. Before July, a single month was a big month and two months was a small month. After August, two months are big months and a single month is small, so 1 month, March, May, July, August,1month,1February are big months, and April, June, September,1/kloc.
Extended data:
In the julian calendar implemented by Roman dictator Julius Caesar in BC 1, it was originally an alternate month, in which August was originally designated as a small month, because the later dictator Octavian was born in this month, the Senate changed this month to his title "Augustus", and took a day out of February to make up for it, turning it into a big month and rescheduling the following months.
Leap year * * * has 366 days (February is 1- 1 day, 29 days, 3 1 day, 30 days, 3 1 day, 3 1 day respectively).
A normal year has 365 days (February 1- 1 day, 28 days, 3 1 day, 30 days, 3 1 day, 30 days, 3 1 day and 3 1 day respectively.
Conversion relation of time unit: 1 year = 12 months (13 months in normal year and leap year); 1 quarter =3 months; 1 week =7 days; 1 day =24 hours; 1 hour =60 minutes; 1 min =60 seconds.
The transformation of ancient time units in China:
(1) A nail is 60 years.
(2) 1 month = 30 days; 1 day =2 days = 10 days; 1 Wait =5 days.
(3) 1 min = 15 min; 1 =5 minutes (usage in southern Fujian and Guangdong).
(4) 1 night =5 more; 1 more =5 points; 1 point =24 minutes.
(5) 1 hour =2 hours.
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