"Mon, 23 Dec 2024 12:15:59"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241223
Only TIME
12:15:59
General datetime
2024-12-23 12:15:59Z
For Database
2024-12-23 12:15:59
For HTTP1.1
Mon, 23 Dec 2024 12:15:59 GMT