"Sat, 14 Dec 2024 14:43:21"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241214
Only TIME
14:43:21
General datetime
2024-12-14 14:43:21Z
For Database
2024-12-14 14:43:21
For HTTP1.1
Sat, 14 Dec 2024 14:43:21 GMT