"Wed, 21 Aug 2024 23:16:13"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240821
Only TIME
23:16:13
General datetime
2024-08-21 23:16:13Z
For Database
2024-08-21 23:16:13
For HTTP1.1
Wed, 21 Aug 2024 23:16:13 GMT