"Sat, 19 Oct 2024 20:21:38"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241019
Only TIME
20:21:38
General datetime
2024-10-19 20:21:38Z
For Database
2024-10-19 20:21:38
For HTTP1.1
Sat, 19 Oct 2024 20:21:38 GMT