"Mon, 19 Aug 2024 16:39:49"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240819
Only TIME
16:39:49
General datetime
2024-08-19 16:39:49Z
For Database
2024-08-19 16:39:49
For HTTP1.1
Mon, 19 Aug 2024 16:39:49 GMT