"Thu, 29 Jan 1970 14:06:59"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
19700129
Only TIME
14:06:59
General datetime
1970-01-29 14:06:59Z
For Database
1970-01-29 14:06:59
For HTTP1.1
Thu, 29 Jan 1970 14:06:59 GMT