"Mon, 21 Oct 2024 16:15:10"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241021
Only TIME
16:15:10
General datetime
2024-10-21 16:15:10Z
For Database
2024-10-21 16:15:10
For HTTP1.1
Mon, 21 Oct 2024 16:15:10 GMT