"Mon, 19 Aug 2024 04:19:40"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240819
Only TIME
04:19:40
General datetime
2024-08-19 04:19:40Z
For Database
2024-08-19 04:19:40
For HTTP1.1
Mon, 19 Aug 2024 04:19:40 GMT