"Sun, 29 Dec 2024 18:00:04"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241229
Only TIME
18:00:04
General datetime
2024-12-29 18:00:04Z
For Database
2024-12-29 18:00:04
For HTTP1.1
Sun, 29 Dec 2024 18:00:04 GMT