"Sat, 19 Oct 2024 18:29:13"

Convert date and time to unixtime.

Another datetime format string at UTC

YYYYMMDD
20241019

Only TIME
18:29:13

General datetime
2024-10-19 18:29:13Z

For Database
2024-10-19 18:29:13

For HTTP1.1
Sat, 19 Oct 2024 18:29:13 GMT