"Sun, 29 Dec 2024 18:37:30"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241229
Only TIME
18:37:30
General datetime
2024-12-29 18:37:30Z
For Database
2024-12-29 18:37:30
For HTTP1.1
Sun, 29 Dec 2024 18:37:30 GMT