"Sun, 20 Oct 2024 19:38:18"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241020
Only TIME
19:38:18
General datetime
2024-10-20 19:38:18Z
For Database
2024-10-20 19:38:18
For HTTP1.1
Sun, 20 Oct 2024 19:38:18 GMT