"Mon, 23 Dec 2024 23:47:37"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241223
Only TIME
23:47:37
General datetime
2024-12-23 23:47:37Z
For Database
2024-12-23 23:47:37
For HTTP1.1
Mon, 23 Dec 2024 23:47:37 GMT