"Sat, 19 Oct 2024 21:03:11"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241019
Only TIME
21:03:11
General datetime
2024-10-19 21:03:11Z
For Database
2024-10-19 21:03:11
For HTTP1.1
Sat, 19 Oct 2024 21:03:11 GMT