"Thu, 15 Aug 2024 11:21:47"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240815
Only TIME
11:21:47
General datetime
2024-08-15 11:21:47Z
For Database
2024-08-15 11:21:47
For HTTP1.1
Thu, 15 Aug 2024 11:21:47 GMT