"Sat, 10 Jan 1970 05:27:26"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
19700110
Only TIME
05:27:26
General datetime
1970-01-10 05:27:26Z
For Database
1970-01-10 05:27:26
For HTTP1.1
Sat, 10 Jan 1970 05:27:26 GMT