"Mon, 21 Oct 2024 18:18:54"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241021
Only TIME
18:18:54
General datetime
2024-10-21 18:18:54Z
For Database
2024-10-21 18:18:54
For HTTP1.1
Mon, 21 Oct 2024 18:18:54 GMT