"Sun, 25 Jan 1970 12:53:19"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
19700125
Only TIME
12:53:19
General datetime
1970-01-25 12:53:19Z
For Database
1970-01-25 12:53:19
For HTTP1.1
Sun, 25 Jan 1970 12:53:19 GMT