"Sun, 18 Aug 2024 11:12:58"

Convert date and time to unixtime.

Another datetime format string at UTC

YYYYMMDD
20240818

Only TIME
11:12:58

General datetime
2024-08-18 11:12:58Z

For Database
2024-08-18 11:12:58

For HTTP1.1
Sun, 18 Aug 2024 11:12:58 GMT