"Thu, 01 Jan 1970 01:22:04"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
19700101
Only TIME
01:22:04
General datetime
1970-01-01 01:22:04Z
For Database
1970-01-01 01:22:04
For HTTP1.1
Thu, 01 Jan 1970 01:22:04 GMT