"Mon, 23 Dec 2024 07:15:36"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241223
Only TIME
07:15:36
General datetime
2024-12-23 07:15:36Z
For Database
2024-12-23 07:15:36
For HTTP1.1
Mon, 23 Dec 2024 07:15:36 GMT