#quarter

Returns the calendar quarter the month falls in, as the string "Q1", "Q2", "Q3", or "Q4".

import { Month } from "@teakit/month";

Month.from("2025-01").quarter(); // "Q1"
Month.from("2025-04").quarter(); // "Q2"
Month.from("2025-09").quarter(); // "Q3"
Month.from("2025-12").quarter(); // "Q4"

#API Reference

#Signature

month.quarter(): "Q1" | "Q2" | "Q3" | "Q4";

#Parameters

None.

#Returns

Returns the MonthQuarter string for the month: 01–03 → "Q1", 04–06 → "Q2", 07–09 → "Q3", 10–12 → "Q4".

#Agent Contract

#Agent Notes

• quarter() is a pure function of the year-month; it is independent of any day anchor.
• Use the returned string directly as a display label or grouping key — do not prepend "Q" yourself.