"Sun, 29 Dec 2024 13:42:47"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241229
Only TIME
13:42:47
General datetime
2024-12-29 13:42:47Z
For Database
2024-12-29 13:42:47
For HTTP1.1
Sun, 29 Dec 2024 13:42:47 GMT