Description
The following snippet blocks the process
import { CronJob } from "cron";
const job2 = new CronJob(
"0 1 30 3 *",
function () {
console.log("You will see this message every second");
}, // onTick
null, // onComplete
false, // start
"Europe/Lisbon" // timeZone
);
console.log(job2.nextDates(1));
Expression at crontab.guru

What causes the issue is the fact that in Portugal the daylight savings starts at Mar 30 so the 01:00 does not actually exist.
Expected Behavior
Next execution date to be returned or an error/ warning to be shown
Actual Behavior
The process hangs forever
Possible Fix
Steps to Reproduce
Context
Your Environment
cron version: 3.2.1
- NodeJS version: v20.14.0
- Operating System and version: Ubuntu LTS 24.04
Description
The following snippet blocks the process
Expression at crontab.guru

What causes the issue is the fact that in Portugal the daylight savings starts at Mar 30 so the 01:00 does not actually exist.
Expected Behavior
Next execution date to be returned or an error/ warning to be shown
Actual Behavior
The process hangs forever
Possible Fix
Steps to Reproduce
Context
Your Environment
cronversion: 3.2.1