"Mon, 19 Aug 2024 00:18:35"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240819
Only TIME
00:18:35
General datetime
2024-08-19 00:18:35Z
For Database
2024-08-19 00:18:35
For HTTP1.1
Mon, 19 Aug 2024 00:18:35 GMT