Subject: Urgent Change of Event Time — Contra Costa California [Event Name] Dear [Recipient's Name], I hope this letter finds you in good health and high spirits. I am writing to inform you about an important change in the timing of the [Event Name], scheduled to take place in Contra Costa County, California. Due to unforeseen circumstances, we regretfully inform you that the event's timing has been altered. We understand the inconvenience this may cause and sincerely apologize for any inconvenience or disruption this change may have on your schedules and prior commitments. The new event date and time have been rescheduled to provide an enhanced experience for all participants and ensure a successful event. We have taken careful consideration of various factors to make this decision, keeping in mind the interest and convenience of all involved parties. Please find below the revised information for the [Event Name]: Previous Date and Time: [Old Date and Time] New Date and Time: [New Date and Time] Location: [Venue Name] [Address] [City, State, Zip Code] With utmost concern for your attendance and participation, we kindly request you to update your calendars accordingly. Your presence and contribution have significant value to the success of this event, and we genuinely hope that the revised schedule will still accommodate your involvement. If the new date and time pose any challenges for your attendance, we understand and empathize with your situation. Please do let us know as soon as possible by replying to this letter or contacting us at [Event Organizer's Contact Details]. We will make every effort to address your concerns and explore alternative solutions, enabling your involvement. We sincerely apologize for any inconvenience caused by this unexpected change in event timing. Furthermore, we are committed to making this event a memorable and rewarding experience for all participants, and we value your cooperation and understanding during this adjustment. Thank you for your continued support and dedication towards this event. We look forward to welcoming you to the [Event Name] on the rescheduled date. Should you have any questions or require further information, please do not hesitate to reach out to us. Best regards, [Your Name] [Your Title] [Event Organizer's Organization] [Contact Details]