"Sun, 15 Dec 2024 07:46:17"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241215
Only TIME
07:46:17
General datetime
2024-12-15 07:46:17Z
For Database
2024-12-15 07:46:17
For HTTP1.1
Sun, 15 Dec 2024 07:46:17 GMT