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javascript instance accessor property

Temporal.ZonedDateTime.prototype.daysInMonth

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The daysInMonth accessor property of ZonedDateTime instances returns a positive integer representing the number of days in the month of this date. It is calendar-dependent.

The set accessor of daysInMonth is undefined. You cannot change this property directly.

For general information and more examples, see Temporal.PlainDate.prototype.daysInMonth.

Examples

Using daysInMonth

const dt = Temporal.ZonedDateTime.from("2021-07-01[America/New_York]");
console.log(dt.daysInMonth); // 31

Specifications

SpecificationsStandards references are available on the canonical MDN page.

Browser compatibility

Browser compatibilityCompatibility data is available on the canonical MDN page.

See also