"Sun, 29 Dec 2024 14:55:16"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241229
Only TIME
14:55:16
General datetime
2024-12-29 14:55:16Z
For Database
2024-12-29 14:55:16
For HTTP1.1
Sun, 29 Dec 2024 14:55:16 GMT