"Mon, 19 Aug 2024 12:00:00"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240819
Only TIME
12:00:00
General datetime
2024-08-19 12:00:00Z
For Database
2024-08-19 12:00:00
For HTTP1.1
Mon, 19 Aug 2024 12:00:00 GMT