"Sun, 22 Dec 2024 18:47:07"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241222
Only TIME
18:47:07
General datetime
2024-12-22 18:47:07Z
For Database
2024-12-22 18:47:07
For HTTP1.1
Sun, 22 Dec 2024 18:47:07 GMT