"Mon, 18 Nov 2024 15:18:15"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241118
Only TIME
15:18:15
General datetime
2024-11-18 15:18:15Z
For Database
2024-11-18 15:18:15
For HTTP1.1
Mon, 18 Nov 2024 15:18:15 GMT