"Sat, 19 Oct 2024 18:34:27"

Convert date and time to unixtime.

Another datetime format string at UTC

YYYYMMDD
20241019

Only TIME
18:34:27

General datetime
2024-10-19 18:34:27Z

For Database
2024-10-19 18:34:27

For HTTP1.1
Sat, 19 Oct 2024 18:34:27 GMT