"Sat, 28 Dec 2024 21:35:37"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241228
Only TIME
21:35:37
General datetime
2024-12-28 21:35:37Z
For Database
2024-12-28 21:35:37
For HTTP1.1
Sat, 28 Dec 2024 21:35:37 GMT