"Sat, 17 Aug 2024 08:15:45"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240817
Only TIME
08:15:45
General datetime
2024-08-17 08:15:45Z
For Database
2024-08-17 08:15:45
For HTTP1.1
Sat, 17 Aug 2024 08:15:45 GMT