"Mon, 19 Aug 2024 19:48:53"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240819
Only TIME
19:48:53
General datetime
2024-08-19 19:48:53Z
For Database
2024-08-19 19:48:53
For HTTP1.1
Mon, 19 Aug 2024 19:48:53 GMT