"Sat, 10 Aug 2024 18:21:48"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240810
Only TIME
18:21:48
General datetime
2024-08-10 18:21:48Z
For Database
2024-08-10 18:21:48
For HTTP1.1
Sat, 10 Aug 2024 18:21:48 GMT