"Sun, 29 Dec 2024 13:34:18"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241229
Only TIME
13:34:18
General datetime
2024-12-29 13:34:18Z
For Database
2024-12-29 13:34:18
For HTTP1.1
Sun, 29 Dec 2024 13:34:18 GMT