"Wed, 21 Aug 2024 14:16:36"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240821
Only TIME
14:16:36
General datetime
2024-08-21 14:16:36Z
For Database
2024-08-21 14:16:36
For HTTP1.1
Wed, 21 Aug 2024 14:16:36 GMT