How to Sort PivotChart Months Across Multiple Years in Excel
Question details
The user needs to maintain strict chronological order in a PivotChart when reporting monthly data that spans across two or more calendar years.

- Product
- Excel
- Device & OS
- not provided
- Scenario
- Creating a PivotChart report covering multiple calendar years, such as starting in March 2024 and ending in January 2025.
- Observed behavior
- The months in the PivotChart sort alphabetically or fail to separate by year, disrupting the chronological sequence of the data timeline.
Verify that the dates in your source data are formatted as valid Excel dates rather than plain text, and ensure the Power Pivot add-in is enabled in your Excel Options.
Create a Numeric Sort Column in Power Pivot
Use Power Pivot to generate a custom calculated column that assigns a unique numeric ID to each year-month combination, enforcing strict chronological sorting.
By multiplying the year by 100 and adding the month index (e.g., 202403 for March 2024), you create an ascending numerical value that Excel can use as a sorting foundation for text-based month names.
Select your source data table, navigate to the Insert tab, click 'PivotTable', and check the box that says 'Add this data to the Data Model'.
Open the Power Pivot window, select your table, and add a calculated column using the formula: MonthId = Table1[Date (Year)]*100 + Table1[Date (Month Index)].
Click on your month name field in the Power Pivot Data Model. On the Home tab, click 'Sort by Column' and choose the newly created 'MonthId' column from the drop-down list.
Return to your Excel worksheet, insert the PivotChart, and drag both the Year and Month fields into the Axis (Categories) area to properly segment and display the multi-year data.

Use Native Date Grouping in Standard PivotTables
If you are not using Power Pivot, you can rely on Excel's native PivotTable date grouping feature to automatically handle cross-year chronological sorting.
Easily Group and Sort Pivot Dates Chronologically in WPS Spreadsheet
WPS Spreadsheet features highly intuitive PivotTable tools that let you group, sort, and chart chronological data across multiple years effortlessly without needing complex Power Pivot formulas.
- 1. Insert a PivotTable: Highlight your data range, go to the 'Insert' tab in WPS Spreadsheet, and select 'PivotTable'.
- 2. Add Date to the Axis: Drag your original Date field into the Rows section (for tables) or the Axis section (for charts).
- 3. Group by Year and Month: Right-click the date values, select 'Group', and highlight both 'Years' and 'Months' to establish the chronological hierarchy.
- 4. Insert and Customize PivotChart: Go to the Analyze tab, select 'PivotChart', and your visual timeline will be perfectly ordered across multiple calendar years.

Frequently Asked Questions
Why do my PivotChart months sort alphabetically instead of chronologically?
This usually occurs when your month data is stored as raw text (e.g., 'Jan', 'Feb') rather than a recognized Date serial number. Ensure your source column uses actual dates, or set up a custom sorting list in Excel's advanced options.
Can I sort months across years without using Power Pivot?
Yes. If your source data contains true date values, you can use a standard PivotTable. Drag the Date field into the Rows area, right-click a date, select 'Group', and choose both 'Years' and 'Months'. Excel will handle the cross-year chronology natively.
How do I fix the PivotChart if it aggregates identical months from different years together?
You need to include the Year field in your chart's Axis (Categories) area. Without the Year field acting as an upper-level category, PivotTables will combine the data for 'January' from 2024 and 2025 into a single consolidated data point.
What is the formula to create a numeric month ID for sorting?
In Power Pivot, a standard and reliable formula is MonthId = Table[Year]*100 + Table[Month Index]. This converts March 2024 into 202403 and January 2025 into 202501, creating a perfect numerical sequence for sorting.




