README file from
GithubObsidian Calendar Planner
A modified version of the Obsidian Calendar Plugin that reads from a single master planner file instead of individual daily notes.

Features
- Single Planner File: All your tasks and events in one
planner.mdfile - Calendar View: Visual calendar showing your entries for each day
- Entry Preview: See actual entry text on calendar days (not just dots)
- Task Management: Click to view, add, and complete tasks
- Checkbox Support: Toggle task completion with
[ ]and[x]syntax - Multi-Day Events: Create entries that span multiple days with date ranges
- Quick Navigation: Jump directly to any date in your planner file
- Flexible Date Formats: Supports
DD/MM/YYYYandYYYY-MM-DDformats
Installation
-
Navigate to your Obsidian plugins folder:
<vault>/.obsidian/plugins/calendar/ -
Replace the existing
main.jswith the modified version -
Reload Obsidian (Ctrl/Cmd + R) or restart the app
-
Enable the Calendar plugin in Settings → Community Plugins
Planner File Format
Create a planner.md file in your vault root (or configure a custom path in settings).
Date Headers
Dates can be formatted in several ways:
**21/03/2026**
**2026-03-21**
## 21/03/2026
### 2026-03-21
Entry Types
The plugin supports multiple entry formats:
**21/03/2026**
1) Numbered list item
2) Another numbered item
- Bullet point item
* Another bullet style
- [ ] Incomplete task
- [x] Completed task
[x] Checkbox without bullet
Just plain text (treated as a note)
**22/03/2026**
- [ ] Submit report
- [x] Call dentist
- Meeting at 3pm
1) Review documents
2) Send emails
Multi-Day Events (Date Ranges)
You can create entries that span multiple days using the [from - to] format:
**21/03/2026**
- [ ] Conference trip [21/03 - 23/03]
- [ ] Project deadline [21/03/2026 - 25/03/2026]
1) Holiday [15/03 - 20/03]
Format options:
[DD/MM - DD/MM]— Uses the current year[DD/MM/YYYY - DD/MM/YYYY]— Explicit year
Multi-day events will:
- Appear on all days within the range
- Show with a highlighted background on the calendar
- Display a date badge in the modal view
Usage
Viewing the Calendar
- Click the calendar icon in the left sidebar, or
- Use the command palette: "Open calendar planner"
Interacting with Days
- Click a day to open the day modal with all entries
- Right-click for context menu options
- Add new entries directly from the modal
- Click checkboxes to mark tasks complete

Day Modal Features
- View all entries for the selected day
- Checkbox: Click to mark incomplete tasks as done
- Checkmark (✓): Indicates completed tasks (click to uncheck)
- Add new entry: Type and press Enter or click Add
- Multi-day event: Check the box to add from/to dates
- Date range badge: Shows the span for multi-day events
- Open Planner File: Jump to that date's section in your planner
Settings
Access via Settings → Calendar Planner
| Setting | Description | Default |
|---|---|---|
| Planner file path | Path to your master planner file | planner.md |
| Date format | Format for dates in your planner | DD/MM/YYYY |
| Max entries per day | Number of entries shown on calendar (1-6) | 3 |
| Start week on | First day of the week | Locale default |
| Show week number | Display week numbers column | Off |
Commands
Available in the command palette (Ctrl/Cmd + P):
- Open calendar planner - Opens the calendar view
- Open planner file - Opens your planner.md directly
- Add entry for today - Quick add via modal

Calendar Display
Each day cell shows:
- The day number
- Up to N entries (configurable)
- Entry text truncated to fit
- Completed tasks with strikethrough
- "+N more" indicator if there are additional entries
Example Workflow
- Create
planner.mdin your vault root:
**15/03/2026**
- [ ] Morning standup
- [ ] Review PRs
- Lunch with team
- [ ] Deploy to staging
**16/03/2026**
1) Doctor appointment 10am
2) Pick up groceries
- [x] Pay rent
-
Open the calendar view from the sidebar
-
Click on any day to see full details and manage tasks
-
Check off tasks as you complete them - they'll update in your planner file
Differences from Original Plugin
| Feature | Original | This Version |
|---|---|---|
| Data source | Individual daily note files | Single planner.md file |
| Day display | Dots indicating content | Actual entry text preview |
| Task completion | Via daily note | Direct checkbox toggle |
| Navigation | Creates/opens daily notes | Opens planner at date section |
Troubleshooting
Entries not showing
- Ensure your date format matches the setting (DD/MM/YYYY vs YYYY-MM-DD)
- Check that date headers use the correct syntax (
**date**or## date) - Verify the planner file path in settings
Checkboxes not detected
Supported formats:
- [ ] taskor- [x] task* [ ] taskor* [x] task[ ] taskor[x] task1) [ ] taskor1) [x] task
Calendar not refreshing
- Close and reopen the calendar view
- Reload Obsidian (Ctrl/Cmd + R)
Credits
Based on the Obsidian Calendar Plugin by Liam Cain.
License
MIT License - See original plugin for full license details.