"Sun, 13 Oct 2024 23:42:16"

Convert date and time to unixtime.

Another datetime format string at UTC

YYYYMMDD
20241013

Only TIME
23:42:16

General datetime
2024-10-13 23:42:16Z

For Database
2024-10-13 23:42:16

For HTTP1.1
Sun, 13 Oct 2024 23:42:16 GMT