"Mon, 19 Aug 2024 16:51:03"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240819
Only TIME
16:51:03
General datetime
2024-08-19 16:51:03Z
For Database
2024-08-19 16:51:03
For HTTP1.1
Mon, 19 Aug 2024 16:51:03 GMT