"Mon, 16 Dec 2024 19:40:37"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241216
Only TIME
19:40:37
General datetime
2024-12-16 19:40:37Z
For Database
2024-12-16 19:40:37
For HTTP1.1
Mon, 16 Dec 2024 19:40:37 GMT