"Mon, 19 Aug 2024 15:30:27"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240819
Only TIME
15:30:27
General datetime
2024-08-19 15:30:27Z
For Database
2024-08-19 15:30:27
For HTTP1.1
Mon, 19 Aug 2024 15:30:27 GMT