"Sat, 10 Aug 2024 22:21:15"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240810
Only TIME
22:21:15
General datetime
2024-08-10 22:21:15Z
For Database
2024-08-10 22:21:15
For HTTP1.1
Sat, 10 Aug 2024 22:21:15 GMT