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Birthday Countdown Timer

How many days until the party? More importantly — are you on track? This countdown timer shows you exactly how much time you have left AND what you should be doing right now. Because "the party's in 3 weeks" hits different when you realize invitations aren't sent yet.

Written by Baljeet Aulakh | Last updated February 2026

Quick Answer

Start planning a birthday party 6-8 weeks in advance. Pick a theme at 8 weeks, send invitations at 6 weeks, order supplies at 4 weeks, and finalize details at 1 week before. Use the free countdown below to track your timeline and get reminders for each planning milestone.

6-8 wk
Start Planning
6 wk
Send Invites
4 wk
Order Supplies
1 wk
Final Prep

When Should You Start Planning a Birthday Party?

A week-by-week guide to party planning. Use the countdown above to track where you are.

TimeframeTaskHelpful Tool
8+ WeeksChoose theme & set budgetTheme Quiz + Budget Calculator
6 WeeksSend invitationsInvitation Maker
4 WeeksPlan food & order suppliesFood Calculator + Supply Calculator
3 WeeksPick party games & activitiesGame Finder
2 WeeksOrder decorationsDecoration Calculator
1 WeekFinal prep & confirm RSVPsChecklist Generator
Party DaySet up, celebrate, take photos!AI Party Planner
After PartySend thank you notesThank You Generator

Fill Every Week Before the Big Day

Counting down is fun — but knowing what to DO each week is better. A free Party Genius plan includes a week-by-week planning checklist so every countdown milestone has a real task behind it.

Get My Planning Timeline

Pro Tip

Use the countdown as your planning schedule: 4 weeks out = book venue/send invites. 3 weeks = order decorations online (cheaper than in-store). 2 weeks = plan menu and buy non-perishables. 1 week = confirm headcount and prep activities. Day before = set up everything possible. Party day = just food prep and fun.

Frequently Asked Questions

How far in advance should I start planning a birthday party?

Start planning 6-8 weeks before the party date. This gives you time to pick a theme (8 weeks), send invitations (6 weeks), order supplies (4 weeks), and handle last-minute details (1 week). For venue parties or parties with hired entertainment, start even earlier — 10-12 weeks is ideal to secure your booking.

What is the best day of the week for a birthday party?

Saturday is the most popular day for kids birthday parties, followed by Sunday. Saturday afternoon (1-3 PM or 2-4 PM) gets the highest attendance. Avoid Friday evenings (families are tired) and Sunday mornings (church/sports conflicts). For adult parties, Friday or Saturday evenings work best.

How long should a kids birthday party last?

Ages 1-3: 1 to 1.5 hours. Ages 4-6: 1.5 to 2 hours. Ages 7-10: 2 to 2.5 hours. Ages 11+: 2 to 3 hours. Longer is not better for young kids — they get overstimulated. Plan arrival time, 2-3 activities, food/cake, and gift opening. Build in 15 minutes of buffer at the start and end.

When should I send birthday party invitations?

Send invitations 4-6 weeks before the party. For holiday weekends or popular venues, send 6-8 weeks ahead. Include an RSVP deadline 1-2 weeks before the party so you can finalize food, supplies, and favor bags. Digital invitations are fine and get faster responses than paper.

What time of day is best for a birthday party?

For toddlers (1-3): late morning (10-11:30 AM) before nap time. For kids (4-8): early afternoon (1-3 PM or 2-4 PM) after lunch. For tweens/teens (9-13): mid-afternoon (3-5 PM) or evening. Avoid mealtimes unless you plan to serve a full meal — it gets expensive and complicated.