"Mon, 16 Dec 2024 23:27:55"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241216
Only TIME
23:27:55
General datetime
2024-12-16 23:27:55Z
For Database
2024-12-16 23:27:55
For HTTP1.1
Mon, 16 Dec 2024 23:27:55 GMT