---
id: "SimpleCalendar.FirstNewMoonDate"
title: "Interface: FirstNewMoonDate"
sidebar_label: "FirstNewMoonDate"
custom_edit_url: null
pagination_next: null
pagination_prev: null
---

[SimpleCalendar](../namespaces/SimpleCalendar.md).FirstNewMoonDate

Interface for a moons first new moon date

## Properties

### day

• **day**: `number`

The day of the first new moon.

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### month

• **month**: `number`

The month of the first new moon.

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### year

• **year**: `number`

The year of the first new moon.

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### yearReset

• **yearReset**: [`MoonYearResetOptions`](../enums/SimpleCalendar.api.MoonYearResetOptions.md)

If and when the year of the new moon should be reset. [List of options](../enums/SimpleCalendar.api.MoonYearResetOptions.md)

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### yearX

• **yearX**: `number`

Reset the new moon year every X years.