"Sun, 13 Oct 2024 19:38:18"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241013
Only TIME
19:38:18
General datetime
2024-10-13 19:38:18Z
For Database
2024-10-13 19:38:18
For HTTP1.1
Sun, 13 Oct 2024 19:38:18 GMT