"Thu, 29 Jan 1970 01:00:36"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
19700129
Only TIME
01:00:36
General datetime
1970-01-29 01:00:36Z
For Database
1970-01-29 01:00:36
For HTTP1.1
Thu, 29 Jan 1970 01:00:36 GMT