"Sun, 29 Dec 2024 20:21:56"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241229
Only TIME
20:21:56
General datetime
2024-12-29 20:21:56Z
For Database
2024-12-29 20:21:56
For HTTP1.1
Sun, 29 Dec 2024 20:21:56 GMT