"Sat, 07 Dec 2024 21:38:09"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241207
Only TIME
21:38:09
General datetime
2024-12-07 21:38:09Z
For Database
2024-12-07 21:38:09
For HTTP1.1
Sat, 07 Dec 2024 21:38:09 GMT