"Sat, 12 Oct 2024 21:54:55"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241012
Only TIME
21:54:55
General datetime
2024-10-12 21:54:55Z
For Database
2024-10-12 21:54:55
For HTTP1.1
Sat, 12 Oct 2024 21:54:55 GMT