"Thu, 15 Aug 2024 16:36:11"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240815
Only TIME
16:36:11
General datetime
2024-08-15 16:36:11Z
For Database
2024-08-15 16:36:11
For HTTP1.1
Thu, 15 Aug 2024 16:36:11 GMT