"Wed, 21 Aug 2024 16:46:16"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240821
Only TIME
16:46:16
General datetime
2024-08-21 16:46:16Z
For Database
2024-08-21 16:46:16
For HTTP1.1
Wed, 21 Aug 2024 16:46:16 GMT