"Mon, 19 Aug 2024 23:44:52"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240819
Only TIME
23:44:52
General datetime
2024-08-19 23:44:52Z
For Database
2024-08-19 23:44:52
For HTTP1.1
Mon, 19 Aug 2024 23:44:52 GMT