Temporal.PlainDateTime.prototype.daysInYear

The daysInYear accessor property of {{jsxref("Temporal.PlainDateTime")}} instances returns a positive integer representing the number of days in the year of this date. It is calendar-dependent.

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

For general information and more examples, see {{jsxref("Temporal/PlainDate/daysInYear", "Temporal.PlainDate.prototype.daysInYear")}}.

Examples#

Using daysInYear#

const dt = Temporal.PlainDateTime.from("2021-07-01");
console.log(dt.daysInYear); // 365

Specifications#

{{Specifications}}

Browser compatibility#

{{Compat}}

See also#

• {{jsxref("Temporal.PlainDateTime")}}
• {{jsxref("Temporal/PlainDateTime/with", "Temporal.PlainDateTime.prototype.with()")}}
• {{jsxref("Temporal/PlainDateTime/add", "Temporal.PlainDateTime.prototype.add()")}}
• {{jsxref("Temporal/PlainDateTime/subtract", "Temporal.PlainDateTime.prototype.subtract()")}}
• {{jsxref("Temporal/PlainDateTime/year", "Temporal.PlainDateTime.prototype.year")}}
• {{jsxref("Temporal/PlainDateTime/dayOfYear", "Temporal.PlainDateTime.prototype.dayOfYear")}}
• {{jsxref("Temporal/PlainDateTime/daysInMonth", "Temporal.PlainDateTime.prototype.daysInMonth")}}
• {{jsxref("Temporal/PlainDateTime/daysInWeek", "Temporal.PlainDateTime.prototype.daysInWeek")}}
• {{jsxref("Temporal/PlainDate/daysInYear", "Temporal.PlainDate.prototype.daysInYear")}}