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A quarter of year calculator determines which financial or calendar quarter a date falls in. Quarters are used in business reporting, tax filing, and financial planning.
Formel
Q = ceil(month / 3); date_range = specific dates for each quarter
- date
- Date (YYYY-MM-DD) — Input date
- quarter
- Quarter (Q1–Q4) — Which quarter of the year
- range
- Date range (start–end) — First and last day of quarter
Trinn-for-trinn guide
- 1Calendar quarters: Q1 Jan–Mar, Q2 Apr–Jun, Q3 Jul–Sep, Q4 Oct–Dec
- 2UK financial year starts April 6: Q1 Apr–Jun, Q4 Jan–Mar
- 3US fiscal year varies by company — Jan or Oct start common
- 4Quarter = floor((month − 1) ÷ 3) + 1
Løste eksempler
Inndata
February 15
Resultat
Q1 (calendar) / Q4 (UK fiscal)
Inndata
July 1
Resultat
Q3 (calendar) / Q2 (UK fiscal)
Inndata
October 31
Resultat
Q4 (calendar) / Q3 (UK fiscal)
Ofte stilte spørsmål
What are the quarters of a year?
Q1: Jan 1 – Mar 31; Q2: Apr 1 – Jun 30; Q3: Jul 1 – Sep 30; Q4: Oct 1 – Dec 31.
How many days in each quarter?
Q1: 90–91 days (leap year); Q2: 91 days; Q3: 92 days; Q4: 92 days.
What is a fiscal quarter?
Corporate fiscal quarters may not align with calendar quarters. Check company fiscal year start.
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