"Mon, 19 Aug 2024 04:15:28"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240819
Only TIME
04:15:28
General datetime
2024-08-19 04:15:28Z
For Database
2024-08-19 04:15:28
For HTTP1.1
Mon, 19 Aug 2024 04:15:28 GMT