Group Dates & Durations
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When viewing your Gantt, Aphex automatically calculates a Start Date, End Date, and Duration for Folders, Packages, and Parent Tasks.
These values summarise when grouped work begins and ends and how long it spans, which is helpful for reporting, filtering, and printing.
This doc explains how those values are calculated, how your View settings affect them, and how they behave in printing and published plans.
These values reflect the first and last visible Tasks within each Folder, Package, or Parent Task.
Displayed For:
Folders
Packages
Parent Tasks (Tasks with subtasks)
How they’re calculated:
Start Date = Start date of the earliest visible Task
End Date = End date of the latest visible Task
These values update automatically when filters or date range settings are applied.
You can control how durations are calculated by choosing which working calendar to apply to grouped durations.
To change your Group Duration Calendar:
Click View Options
Select Group Duration Calendar
Choose one of:
Project Default — Respects your Project’s non-working day exceptions
5 Day Week (Mon–Fri) — Static calendar
7 Day Week (Mon–Sun) — Static calendar
This setting only affects how Durations are displayed for Folders, Packages, and Parent Tasks. It doesn’t change individual Task calendars or impact other users.
When filters or date ranges are applied, Start, End, and Duration values update to reflect only what’s visible in your current View.
Common cases:
Filtering by Subcontractor, Location, Labour, Tags, etc
Zooming to a specific date range
Hiding Packages or Folders
What you’ll see:
A small filtered icon appears beside any adjusted group value
Hover over the icon to see both:
The Filtered value (based on the current View)
The Total value (with no filters)
You can choose how the group Start, End, and Duration values are displayed when printing your Gantt.
To configure:
Click View Options
Select Print View
Open Advanced Settings
Under Group Dates & Durations, select:
Filtered — Show values based only on visible Tasks
Total — Show values from all Tasks in the group
When a plan is published, Group Durations are always calculated using a 5 day workweek (Monday–Friday).
Any personal calendar settings or Project non-working day exceptions are ignored. This ensures consistency for everyone viewing the published plan.
