"Sun, 29 Dec 2024 20:23:02"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241229
Only TIME
20:23:02
General datetime
2024-12-29 20:23:02Z
For Database
2024-12-29 20:23:02
For HTTP1.1
Sun, 29 Dec 2024 20:23:02 GMT