How to group time by minutes or hours intervals in Excel?

Here is a list of time, and what I want to do is to group time by 3 hours as below screenshot shown, how can I quickly solve it in Excel?
doc group time by interval 1

Group time by hours intervals

Group time by minutes intervals


Group time by hours intervals


To group time by hours interval, you just need one formula.

Select a cell next to the time, and type this formula =FLOOR(A2,"3:00"), A2 is the time you use, 3:00 is the hours interval, press Enter key and drag fill handle down to apply this formula to cells.
doc group time by interval 2


Group time by minutes intervals

If you want to group time by minutes intervals, also can use formulas.

Select a cell next to the time, and type this formula =FLOOR(A2,TIME(0,15,0)), A2 is the time you use, 15 is the minutes interval, press Enter key and drag fill handle down to apply this formula to cells.
doc group time by interval 3

Tip: if the formula results are displayed as digits, just need to format them as time format.


Insert Watermark(insert picture watermark or draft/text watermark in current sheet)

doc insert watermark

Relative Articles


The Best Office Productivity Tools

Kutools for Excel Solves Most of Your Problems, and Increases Your Productivity by 80%

  • Reuse: Quickly insert complex formulas, charts and anything that you have used before; Encrypt Cells with password; Create Mailing List and send emails...
  • Super Formula Bar (easily edit multiple lines of text and formula); Reading Layout (easily read and edit large numbers of cells); Paste to Filtered Range...
  • Merge Cells/Rows/Columns without losing Data; Split Cells Content; Combine Duplicate Rows/Columns... Prevent Duplicate Cells; Compare Ranges...
  • Select Duplicate or Unique Rows; Select Blank Rows (all cells are empty); Super Find and Fuzzy Find in Many Workbooks; Random Select...
  • Exact Copy Multiple Cells without changing formula reference; Auto Create References to Multiple Sheets; Insert Bullets, Check Boxes and more...
  • Extract Text, Add Text, Remove by Position, Remove Space; Create and Print Paging Subtotals; Convert Between Cells Content and Comments...
  • Super Filter (save and apply filter schemes to other sheets); Advanced Sort by month/week/day, frequency and more; Special Filter by bold, italic...
  • Combine Workbooks and WorkSheets; Merge Tables based on key columns; Split Data into Multiple Sheets; Batch Convert xls, xlsx and PDF...
  • More than 300 powerful features. Supports Office/Excel 2007-2019 and 365. Supports all languages. Easy deploying in your enterprise or organization. Full features 30-day free trial. 60-day money back guarantee.
kte tab 201905

Office Tab Brings Tabbed interface to Office, and Make Your Work Much Easier

  • Enable tabbed editing and reading in Word, Excel, PowerPoint, Publisher, Access, Visio and Project.
  • Open and create multiple documents in new tabs of the same window, rather than in new windows.
  • Increases your productivity by 50%, and reduces hundreds of mouse clicks for you every day!
officetab bottom
Say something here...
symbols left.
You are guest ( Sign Up? )
or post as a guest, but your post won't be published automatically.
Loading comment... The comment will be refreshed after 00:00.

Be the first to comment.