4. The measurement time. In ancient times people saw the sun rise, they know that a new day has begun, and telling the time, whether it is morning. Late afternoon or evening, you may see the length of the shadow that has changed. Cause the concepts in 1 day. 1 the fit. When humans learn more astronomy is a concept in the Gregorian year 1 schedule a time when the world reached around 1 week khotronopduang fit. Later, astronomers have found that when the world khotronopduang 1 full week. 365 day calendar system early in the reign of little more than popular: Julian calendar system (the Julian Calender), this system requires that 1 year is 365.25 days when using a term has found that using this calendar in every 400 years are counted for more than the truth to 3 days off. Since then, it has been improving as the Gregorian calendar system (Gragorian Calender) Gregorian calendar system. 1 year 365.2425 days given by the normal 1 year provided that there are 365 days in a year, but in recent years a leap year February has 29 days, 1 year with 366 days
. Athiksunthin year is defined according to the principles as follows:
.1. If any was divided by 4 is down year-on-year to athiksunthin
2. If, for example, which was divided by 4 and divide by 100 to 400, but the rest is not in itself will not be the year athiksunthin
3. If the 1951 divided by 4 to 100, but the year is not divided by c.The year is RS athiksunthin
4. If what was divided by a 4, but divided by a 400 years old, it will be a year of athiksunthin
in timing. There is agreement that there are 24-hour days
1
1
1 hour 60 minutes, there are 60 seconds in 1 minute.
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