Quarter Abbreviations: Q1, Q2, Q3, Q4
Q1 through Q4 are established compact quarter labels in business and data contexts. Microsoft’s current time-intelligence documentation recognizes these forms; when an organization uses a non-calendar fiscal year, pair the quarter label with enough fiscal-year context to avoid ambiguity.
Q1, Q2, Q3, and Q4 are compact labels for the first through fourth quarters of a year. In business reporting, make the calendar or fiscal-year context clear when it is not obvious.
Key details
Important caveats
Context Boundary
If fiscal quarters do not align with calendar quarters, identify the fiscal-year context so the label is not misread.
Further guidance
Meaning
Q1 through Q4 identify the first through fourth quarters of a year.
Practical Application
Use Q1, Q2, Q3, and Q4 as compact quarter labels, pairing them with a year or fiscal-year identifier when context does not make the period unambiguous.
Reader Check
Check whether the organization’s fiscal quarters differ from calendar quarters. A bare “Q2” can be unclear across reports, companies, or fiscal calendars.
Worked Example
“Revenue for Q2 FY2027 was $8.4 million.” The fiscal-year label prevents readers from assuming a calendar-quarter mapping.
Sources and evidence
Sources are shown with the role they play in this guide. Historical or style-sensitive claims are kept within the evidence boundary described above.
- Best practices and supported date formats for automatic time intelligence (opens in a new tab)Microsoft · Current Microsoft-supported FY and quarter label formats including FY25 and Q1–Q4