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

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

Interface for all information about how leap years are set up

## Hierarchy

- `IDataItemBase`

  ↳ **`LeapYearData`**

## Properties

### abbreviation

• `Optional` **abbreviation**: `string`

The abbreviated name of the data item.

#### Inherited from

IDataItemBase.abbreviation

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### customMod

• **customMod**: `number`

The number of years that a leap year happens when the rule is set to 'custom'.

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### description

• `Optional` **description**: `string`

The optional description of the data item

#### Inherited from

IDataItemBase.description

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### id

• **id**: `string`

The unique ID of the data item

#### Inherited from

IDataItemBase.id

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### name

• `Optional` **name**: `string`

The optional name of the data item

#### Inherited from

IDataItemBase.name

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### numericRepresentation

• `Optional` **numericRepresentation**: `number`

The optional numeric representation of the data item

#### Inherited from

IDataItemBase.numericRepresentation

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### rule

• **rule**: [`LeapYearRules`](../enums/SimpleCalendar.api.LeapYearRules.md)

This is the leap year rule to follow.

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### showAdvanced

• `Optional` **showAdvanced**: `boolean`

If to show the advanced options, this is not saved

#### Inherited from

IDataItemBase.showAdvanced