"Sat, 03 Jan 1970 00:10:24"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
19700103
Only TIME
00:10:24
General datetime
1970-01-03 00:10:24Z
For Database
1970-01-03 00:10:24
For HTTP1.1
Sat, 03 Jan 1970 00:10:24 GMT