"Mon, 19 Aug 2024 02:42:39"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240819
Only TIME
02:42:39
General datetime
2024-08-19 02:42:39Z
For Database
2024-08-19 02:42:39
For HTTP1.1
Mon, 19 Aug 2024 02:42:39 GMT