"Thu, 15 Aug 2024 10:39:03"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240815
Only TIME
10:39:03
General datetime
2024-08-15 10:39:03Z
For Database
2024-08-15 10:39:03
For HTTP1.1
Thu, 15 Aug 2024 10:39:03 GMT