You had invited a dignitary from another school to judge a sculpting competition, which has now been postponed. Write to the judge apologising for the same. Inform him/her of the new date with other details

Subject: Postponement of the Sculpting Competition

Dear [Dignitary's Name],

I hope this message finds you well. I am writing to you on behalf of [Your School's Name] with regard to the sculpting competition that was scheduled to take place on [Original Date].

Due to unforeseen circumstances, we have had to make the difficult decision to postpone the event. We deeply regret any inconvenience this may cause you, especially considering the effort and time you have set aside to be our esteemed judge for the competition.

We have rescheduled the competition to [New Date]. The event will still take place at [Location], and the timings will remain the same, from [Start Time] to [End Time]. We sincerely hope that you will still be able to join us on this new date.

We understand if your schedule may not permit you to attend on the rescheduled date. Please let us know at your earliest convenience if you are able to make it, or if there are any other concerns or queries you may have.

Once again, we apologize for any inconvenience caused and we appreciate your understanding in this matter. We look forward to your continued support and participation in our event.

Thank you for your time and consideration.

Best regards,

[Your Name] [Your Position] [Your Contact Information]