"Sat, 24 Jan 1970 07:55:41"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
19700124
Only TIME
07:55:41
General datetime
1970-01-24 07:55:41Z
For Database
1970-01-24 07:55:41
For HTTP1.1
Sat, 24 Jan 1970 07:55:41 GMT