## Day

A Day is a non SI unit of time. The symbol of day is d. A day is a period of 24 hours especially from 12 o’ clock one night to 12 o’ clock the next night. A day contains 24 hours or 1440 minutes or 86,400 seconds. A day is the period of time required for the earth to complete a full rotation around its axis.

## Second

A Second is the Standard International(SI) unit of time. It is abbreviated as s or sec. A Second is equal to 1/86400 of a day. A Second is defined as the time taken by 9,192,631,770 cycles of radiation that comes from electrons moving between two energy levels of the Caesium-133 atom. There are 86,400 seconds in one day, 3600 seconds in one hour and 60 seconds in one minute.

## How to convert Day to Second

1 d = 86400 sec
Example 1:
Convert 15 Day to Second
1 d = 86400 sec
Therefore, 15 d = 15 * 86400 = 1296000 sec
Example 2:
Convert 50 Day to Second
1 d = 86400 sec
Therefore, 50 d = 50 * 86400 = 4320000 sec

## Day to Second conversion table

Day(d)Second(sec)
00
186400
2172800
3259200
4345600
5432000
6518400
7604800
8691200
9777600
10864000
11950400
121036800
131123200
141209600
151296000
201728000
504320000
1008640000

## Day to other converters

• Day to Nanosecond Converter
• Day to Microsecond Converter
• Day to Millisecond Converter
• Day to Minute Converter
• Day to Hour Converter
• Day to Week Converter
• Day to Month Converter
• Day to Year Converter