"Wed, 20 Mar 2024 14:09:51"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240320
Only TIME
14:09:51
General datetime
2024-03-20 14:09:51Z
For Database
2024-03-20 14:09:51
For HTTP1.1
Wed, 20 Mar 2024 14:09:51 GMT