"Mon, 16 Dec 2024 17:20:27"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241216
Only TIME
17:20:27
General datetime
2024-12-16 17:20:27Z
For Database
2024-12-16 17:20:27
For HTTP1.1
Mon, 16 Dec 2024 17:20:27 GMT