"Sat, 19 Oct 2024 08:20:11"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241019
Only TIME
08:20:11
General datetime
2024-10-19 08:20:11Z
For Database
2024-10-19 08:20:11
For HTTP1.1
Sat, 19 Oct 2024 08:20:11 GMT