"Thu, 15 Aug 2024 18:42:24"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240815
Only TIME
18:42:24
General datetime
2024-08-15 18:42:24Z
For Database
2024-08-15 18:42:24
For HTTP1.1
Thu, 15 Aug 2024 18:42:24 GMT