"Sat, 19 Oct 2024 14:49:15"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241019
Only TIME
14:49:15
General datetime
2024-10-19 14:49:15Z
For Database
2024-10-19 14:49:15
For HTTP1.1
Sat, 19 Oct 2024 14:49:15 GMT