"Thu, 15 Aug 2024 15:23:01"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240815
Only TIME
15:23:01
General datetime
2024-08-15 15:23:01Z
For Database
2024-08-15 15:23:01
For HTTP1.1
Thu, 15 Aug 2024 15:23:01 GMT