"Mon, 09 Dec 2024 16:42:04"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241209
Only TIME
16:42:04
General datetime
2024-12-09 16:42:04Z
For Database
2024-12-09 16:42:04
For HTTP1.1
Mon, 09 Dec 2024 16:42:04 GMT