"Sat, 24 Aug 2024 21:39:55"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240824
Only TIME
21:39:55
General datetime
2024-08-24 21:39:55Z
For Database
2024-08-24 21:39:55
For HTTP1.1
Sat, 24 Aug 2024 21:39:55 GMT