"Sun, 29 Dec 2024 15:33:23"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241229
Only TIME
15:33:23
General datetime
2024-12-29 15:33:23Z
For Database
2024-12-29 15:33:23
For HTTP1.1
Sun, 29 Dec 2024 15:33:23 GMT