"Mon, 30 Dec 2024 15:15:09"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241230
Only TIME
15:15:09
General datetime
2024-12-30 15:15:09Z
For Database
2024-12-30 15:15:09
For HTTP1.1
Mon, 30 Dec 2024 15:15:09 GMT