"Mon, 19 Aug 2024 14:11:55"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240819
Only TIME
14:11:55
General datetime
2024-08-19 14:11:55Z
For Database
2024-08-19 14:11:55
For HTTP1.1
Mon, 19 Aug 2024 14:11:55 GMT