"Thu, 15 Aug 2024 18:50:23"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240815
Only TIME
18:50:23
General datetime
2024-08-15 18:50:23Z
For Database
2024-08-15 18:50:23
For HTTP1.1
Thu, 15 Aug 2024 18:50:23 GMT