"Sat, 14 Sep 2024 00:18:44"

Convert date and time to unixtime.

Another datetime format string at UTC

YYYYMMDD
20240914

Only TIME
00:18:44

General datetime
2024-09-14 00:18:44Z

For Database
2024-09-14 00:18:44

For HTTP1.1
Sat, 14 Sep 2024 00:18:44 GMT