"Sun, 29 Dec 2024 09:21:37"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241229
Only TIME
09:21:37
General datetime
2024-12-29 09:21:37Z
For Database
2024-12-29 09:21:37
For HTTP1.1
Sun, 29 Dec 2024 09:21:37 GMT