"Sat, 24 Jan 1970 11:46:01"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
19700124
Only TIME
11:46:01
General datetime
1970-01-24 11:46:01Z
For Database
1970-01-24 11:46:01
For HTTP1.1
Sat, 24 Jan 1970 11:46:01 GMT