Event & Wedding Planning

Event Planning Checklist: Timeline, Tasks and a Spreadsheet to Track Them

A complete event planning checklist organised by timeline, from three months out to the day after, plus how to turn it into a spreadsheet where every task gets an owner and a due date calculated from the event date.

Illustration of event tasks, milestones, calendar and planned budget

An event planning checklist lists every task between the decision to hold an event and the follow-up afterwards, arranged by how far ahead each one has to happen. The timeline below works for corporate meetings, workshops, launches, fundraisers and private celebrations of up to a few hundred guests. Larger or more complex events need more lead time, but the order stays the same: decide the purpose and budget, secure the date and venue, book suppliers, invite people, confirm details, run the day and close everything out. After the checklist, you will find how to turn it into a spreadsheet that calculates each due date from the event date and shows what is overdue.

Before you start: four decisions

Every later task depends on these. Write them at the top of your checklist so everyone works from the same brief.

  • Purpose and success measure: why the event exists and how you will know it worked (attendance, leads, funds raised, feedback score).
  • Audience and size: who is invited and the expected number of guests, with a minimum and a maximum.
  • Budget: the total you can spend, including a contingency line for surprises.
  • Date and format: in person, online or hybrid, and two or three possible dates in case the first choice is unavailable.

The event planning checklist by timeline

The lead times below suit a mid-sized event. Move everything earlier for peak seasons, destination events or venues that book up fast.

3 months or more before

  • Agree the purpose, audience, size, budget and format.
  • Appoint one person responsible for the whole event and owners for each area (venue, catering, speakers, promotion, logistics).
  • Shortlist venues; visit the top two; check capacity, accessibility, parking or transport, audio-visual equipment and what is included in the price.
  • Reserve the venue and read the contract for deposit, cancellation terms and the final-number deadline.
  • Set up the budget sheet with every expected cost and who approves spending. The wedding budget spreadsheet uses the same estimated, quoted and paid columns that work for any event.
  • Book speakers, performers or a host, and confirm their fees and technical needs.
  • List the permits, insurance or licences the venue or local authority requires.

6 to 8 weeks before

  • Book catering, rentals (furniture, staging, lighting), photography, transport and any other suppliers. Ask each for a written quote and a cancellation policy.
  • Create the guest list with contact details and a column for dietary needs and accessibility requirements.
  • Send save-the-dates or open registration. Decide how RSVPs will be collected and tracked.
  • Draft the agenda or programme and share it with speakers.
  • Start promotion if the event is public: event page, email, social media and partners.
  • List the risks that could disrupt the day (bad weather, a speaker cancelling, low turnout, power failure) and agree a response for each. A short risk register keeps this in one place.

3 to 4 weeks before

  • Send formal invitations or reminders; chase anyone who has not replied.
  • Confirm menu choices and dietary requirements with the caterer.
  • Order printed materials, badges, signage and any gifts or giveaways.
  • Plan the room layout: seating, stage, registration desk, catering stations and accessible routes.
  • Arrange volunteers or staff and give each a role.
  • Test the online platform if the event is hybrid or virtual.

1 to 2 weeks before

  • Close registration or RSVPs and give final numbers to the venue and caterer by the deadline in their contract.
  • Write the run of show: a minute-by-minute schedule for the day with who does what, phone numbers and the supplier arrival times.
  • Confirm every booking in writing: arrival times, delivery addresses, contact on the day, payment due.
  • Collect speaker slides and test them on the venue equipment.
  • Prepare the guest list for check-in and print name badges.
  • Brief staff and volunteers.

The day before

  • Pack the event kit: printed run of show, guest list, chargers, extension cables, tape, pens, first-aid kit and cash for small emergencies.
  • Send a final reminder to guests with the address, start time and parking or transport information.
  • Check the weather if anything happens outdoors and confirm the backup plan.

On the day

  • Arrive early, walk the venue and test sound, screens and internet.
  • Meet suppliers as they arrive and check deliveries against orders.
  • Open registration on time and keep a head count.
  • Follow the run of show and keep one person free to handle problems.
  • Take photos or video if you have permission and a plan for using them.

Within a week after

  • Send thank-you messages to guests, speakers, sponsors and volunteers.
  • Send a short feedback survey while the event is fresh.
  • Pay final invoices and compare actual spending with the budget.
  • Measure the result against the success measure you set at the start.
  • Write down what to change next time while you still remember.

Turn the checklist into a spreadsheet

A printed checklist is fine for a small party. For anything with several people involved, a spreadsheet makes ownership and deadlines visible. Use these columns:

Column What it holds Formula or format
Task One action, starting with a verb Text
Phase 3 months, 6–8 weeks, 3–4 weeks, 1–2 weeks, day before, day of, after Drop-down list
Lead days How many days before the event the task must be finished Number (negative for tasks after the event)
Due date Calculated from the event date =EventDate-[@LeadDays]
Owner One named person Drop-down list of team members
Status Not started, In progress, Done, Not needed Drop-down list
Days left Time remaining until the due date =IF([@Status]="Done","",[@DueDate]-TODAY())
Cost Estimated or quoted amount, if any Currency; total with SUMIFS by status

Put the event date in one named cell called EventDate. If the date moves, every due date moves with it. Add conditional formatting to colour the row red when Days left is below zero and the status is not Done, and amber when fewer than seven days remain.

Two summary formulas give a quick status for a weekly check-in:

  • Tasks overdue: =COUNTIFS(Tasks[Status],"<>Done",Tasks[Status],"<>Not needed",Tasks[DueDate],"<"&TODAY())
  • Percent complete: =COUNTIF(Tasks[Status],"Done")/(COUNTA(Tasks[Task])-COUNTIF(Tasks[Status],"Not needed"))

If several tasks depend on each other, such as booking the venue before printing invitations, a Gantt chart in Excel built from the same due dates shows the overlaps. For smaller events, a plain to-do list template filtered by owner is enough.

Budget lines people forget

  • Service charges and gratuities added to catering bills.
  • Overtime fees if the event runs late or setup starts early.
  • Delivery, setup and collection fees for rentals.
  • Audio-visual technician time, not only the equipment.
  • Insurance, permits and security.
  • Payment processing fees on ticket sales.
  • A contingency line; many planners hold back 5 to 10 percent of the total.

More planning guides

Weddings follow the same logic with more suppliers and a longer timeline; see the guides in Event & Wedding Planning. For promotion, the marketing budget template helps you split spending between channels.

Frequently asked questions

How far in advance should I start planning an event?

For a mid-sized event, start about three months ahead. Conferences, weddings and events in busy seasons often need six months or more, mainly because good venues and suppliers book early.

What is a run of show?

It is the detailed schedule for the event day: every segment with its start time, duration, who is responsible, and the technical cues. Suppliers and staff use it to know where to be and when.

What should be in an event planning checklist?

The purpose and budget, venue and supplier bookings, guest list and invitations, promotion, logistics and layout, the run of show, day-of tasks, and follow-up such as thank-you messages, final payments and feedback.

Should I use Excel or Google Sheets for event planning?

Google Sheets is easier when several people update tasks at once or from their phones. Excel works well offline and for one organiser. The formulas in this guide work in both.

How do I keep track of RSVPs?

Add a guest sheet with one row per guest, a status column (Invited, Accepted, Declined, No reply) and columns for dietary needs and plus-ones. COUNTIF on the status column gives the head count for the venue and caterer.