"Sat, 28 Dec 2024 14:42:20"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241228
Only TIME
14:42:20
General datetime
2024-12-28 14:42:20Z
For Database
2024-12-28 14:42:20
For HTTP1.1
Sat, 28 Dec 2024 14:42:20 GMT