"Sat, 07 Dec 2024 16:20:21"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241207
Only TIME
16:20:21
General datetime
2024-12-07 16:20:21Z
For Database
2024-12-07 16:20:21
For HTTP1.1
Sat, 07 Dec 2024 16:20:21 GMT