"Sat, 19 Oct 2024 17:52:20"

Convert date and time to unixtime.

Another datetime format string at UTC

YYYYMMDD
20241019

Only TIME
17:52:20

General datetime
2024-10-19 17:52:20Z

For Database
2024-10-19 17:52:20

For HTTP1.1
Sat, 19 Oct 2024 17:52:20 GMT