"Wed, 18 Sep 2024 21:43:01"

Convert date and time to unixtime.

Another datetime format string at UTC

YYYYMMDD
20240918

Only TIME
21:43:01

General datetime
2024-09-18 21:43:01Z

For Database
2024-09-18 21:43:01

For HTTP1.1
Wed, 18 Sep 2024 21:43:01 GMT