"Sun, 22 Dec 2024 04:15:33"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241222
Only TIME
04:15:33
General datetime
2024-12-22 04:15:33Z
For Database
2024-12-22 04:15:33
For HTTP1.1
Sun, 22 Dec 2024 04:15:33 GMT