"Sat, 24 Jan 1970 02:16:54"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
19700124
Only TIME
02:16:54
General datetime
1970-01-24 02:16:54Z
For Database
1970-01-24 02:16:54
For HTTP1.1
Sat, 24 Jan 1970 02:16:54 GMT