"Sat, 19 Oct 2024 18:47:08"

Convert date and time to unixtime.

Another datetime format string at UTC

YYYYMMDD
20241019

Only TIME
18:47:08

General datetime
2024-10-19 18:47:08Z

For Database
2024-10-19 18:47:08

For HTTP1.1
Sat, 19 Oct 2024 18:47:08 GMT