"Sat, 24 Jan 1970 19:46:00"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
19700124
Only TIME
19:46:00
General datetime
1970-01-24 19:46:00Z
For Database
1970-01-24 19:46:00
For HTTP1.1
Sat, 24 Jan 1970 19:46:00 GMT