"Mon, 23 Dec 2024 04:30:03"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241223
Only TIME
04:30:03
General datetime
2024-12-23 04:30:03Z
For Database
2024-12-23 04:30:03
For HTTP1.1
Mon, 23 Dec 2024 04:30:03 GMT