"Thu, 15 Aug 2024 14:44:43"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240815
Only TIME
14:44:43
General datetime
2024-08-15 14:44:43Z
For Database
2024-08-15 14:44:43
For HTTP1.1
Thu, 15 Aug 2024 14:44:43 GMT