"Mon, 09 Dec 2024 08:40:55"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241209
Only TIME
08:40:55
General datetime
2024-12-09 08:40:55Z
For Database
2024-12-09 08:40:55
For HTTP1.1
Mon, 09 Dec 2024 08:40:55 GMT