"Mon, 23 Dec 2024 15:27:55"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241223
Only TIME
15:27:55
General datetime
2024-12-23 15:27:55Z
For Database
2024-12-23 15:27:55
For HTTP1.1
Mon, 23 Dec 2024 15:27:55 GMT