Longer schedule time (more than one hour from current date or next hour) not triggering

[SantoshKumarRavi]

const jobId = uuidv4();
      this.agenda.define(jobId, async (job: any) => {
        // Job processing completed
        job.remove();
      });
      await this.agenda.schedule("UTC DATE", jobId, { });

i am using mongoDB.
UTC DATE is in format of "2023-12-01T09:24:00.000+00:00"
and i have added event listener too for agenda.

if i schedule more than one hour from current time, job is not even started
if i schedule one minute and 10 minutes, it is triggering.

can u tell me what is the issue ?