100-Day Calculator
Calculate the exact date 100 days from any start date. Find milestones, weekday, weekly breakdown, and monthly distribution.
Wedding Countdown Calculator
Count down to your wedding day with detailed planning milestones, vendor deadlines, and a complete preparation timeline.
416 days to go!
59 weeks · 14 months
Days Until Wedding⧉
416
59 weeks
Months Until⧉
14
Currently in "12+ Months" phase
Budget Per Guest⧉
$250
$30,000 ÷ 120 guests
Planning Progress⧉
0%
0 of 31 milestone tasks
Current Phase⧉
12+ Months
Set budget
Sleeps Until⧉
416
The big day!
Planning Progress
Planning Timeline
| Phase | Key Tasks | Status |
|---|---|---|
| 12+ Months | Set budget, Hire wedding planner, Book venue, Choose wedding party, Send save-the-dates | ◉ Now |
| 9-12 Months | Book photographer & videographer, Book caterer, Shop for attire, Book band/DJ | ○ Ahead |
| 6-9 Months | Finalize guest list, Choose florist, Order cake, Book officiant, Register for gifts | ○ Ahead |
| 4-6 Months | Order invitations, Book transportation, Plan honeymoon, Choose readings & music | ○ Ahead |
| 2-4 Months | Send invitations, Write vows, Plan rehearsal dinner, Arrange accommodations, Order favors | ○ Ahead |
| 1-2 Months | Final dress fitting, Confirm all vendors, Finalize seating chart, Get marriage license | ○ Ahead |
| Final Week | Rehearsal & rehearsal dinner, Final vendor confirmations, Pack for honeymoon, Enjoy your day! | ○ Ahead |
Budget Allocation Guide
| Category | % | Amount |
|---|---|---|
| Venue & Catering | 45% | $13,500 |
| Photo & Video | 12% | $3,600 |
| Flowers & Decor | 9% | $2,700 |
| Music & Entertainment | 7% | $2,100 |
| Attire & Accessories | 8% | $2,400 |
| Invitations & Stationery | 3% | $900 |
| Transportation | 3% | $900 |
| Other (hair, tips, license, etc.) | 13% | $3,900 |
Budget Breakdown
45%
12%
9%
8%
13%
Planning notes, formulas, and examples
About the Wedding Countdown Calculator
The Wedding Countdown Calculator shows how long remains until your wedding day and lays out the planning timeline around it. Enter your date and it displays the countdown in days, weeks, and months, along with the phases that usually matter while you prepare.
Wedding planning has a lot of moving parts, so the page pairs the countdown with milestone reminders such as venue booking, invitations, alterations, and final vendor payments. That way the date is tied to the tasks that usually need attention at each stage.
The result is a simple way to keep the wedding date and the planning calendar in the same place without manually rebuilding the timeline each time.
When This Page Helps
Wedding planning is a 12+ month project with dozens of deadlines. This countdown with integrated milestones helps keep the date and the task list in the same place.
How to Use the Inputs
- Enter your wedding date
- See the countdown in days, weeks, and months
- View the auto-generated planning timeline by phase
- Check which milestones should be completed by now
- Enter your budget for cost tracking context
- See the breakdown of planning phases
- Use the milestone tracker to stay on schedule
Formula used
Days Until = Wedding Date - Reference Date. Months Until = calendar months between dates. Planning Phase = milestone assignment based on an industry-standard 12-month timeline. Progress = completed milestones / total milestones × 100.Example Calculation
Result: 376 days until the wedding
Wedding on June 20, 2026: 376 days away. This example falls in the "12+ months out" phase. Key tasks in that phase include setting the budget, hiring a planner, booking the venue, and sending save-the-dates.
Tips & Best Practices
- Book venue and photographer first — they book up fastest
- Create a shared Google Sheet for your guest list from day one
- Budget 10-15% contingency for unexpected costs
- RSVP deadline should be 3-4 weeks before the wedding
- Schedule dress alterations starting 3 months before, final fitting 2 weeks before
- Confirm all vendor arrival times and requirements one week out
The 12-Month Wedding Planning Timeline
The standard wedding planning timeline spans 12-18 months. Months 12-10: set budget, book venue, hire planner/coordinator, choose wedding party. Months 9-7: book photographer, caterer, band/DJ, shop for attire, send save-the-dates. Months 6-4: finalize guest list, choose florist, order cake, book officiant. Months 3-2: send invitations, write vows, plan rehearsal dinner, order favors. Month 1: final fittings, confirm vendors, finalize seating chart. Week of: rehearsal, final checks, enjoy your day.
Budget Allocation Guidelines
The average US wedding costs approximately $35,000, but this varies enormously by region and choices. Typical allocation: Reception venue and catering take 40-50% of the budget. Photography and videography: 10-15%. Flowers and decorations: 8-10%. Music and entertainment: 5-8%. Wedding attire and accessories: 5-10%. Invitations and stationery: 2-3%. Transportation: 2-3%. Everything else (hair, makeup, favors, tips, license): 10-15%.
Stress Management During Planning
Wedding planning is rated as one of life's most stressful experiences. Research-backed strategies: break the plan into monthly milestones (this calculator helps), delegate tasks to your partner and wedding party, set a firm budget early and track spending, take regular "wedding talk-free" dates, and remember that the marriage matters more than the wedding. Most couples say the day flies by — focus on enjoying the moments.
Sources & Methodology
Last updated:
Frequently Asked Questions
12-18 months is standard. Key early tasks: venue, photographer, planner. 6 months: attire, florist, caterer. 2 months: invitations, vows, favors. 1 week: final confirmations.
Yes, but some vendors may be unavailable. The calculator adjusts the timeline — it compresses milestones for shorter engagements.
Recent US survey averages often land around $35,000, but the range is huge by location and guest count. Large metro areas can run far higher, while smaller-town weddings can come in much lower.
6-8 weeks before the wedding. Save-the-dates go out 6-12 months early, especially for destination weddings.
Venues and top photographers book 12-18 months in advance. Caterers and DJs typically 6-9 months. Florists 3-6 months.
Venue and catering usually take the largest share, followed by photography, attire, decor, and entertainment. The exact split depends on location and priorities.
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