"Mon, 23 Dec 2024 20:38:59"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241223
Only TIME
20:38:59
General datetime
2024-12-23 20:38:59Z
For Database
2024-12-23 20:38:59
For HTTP1.1
Mon, 23 Dec 2024 20:38:59 GMT