When is the best time to send an invite to your event?
You've booked the venue, you've commissioned event staff (perfect), the menu is taking shape, and the date is in the diary.
Next comes the invitation, which is easy to rush. Send it too early and people forget about it.
Send it too late and the people you most want there are already booked.
Timing your invitation well does more than fill the room. It gives you reliable numbers early, which makes every other decision easier: catering, seating, bar stock, and how many staff you need on the night.
Here's a practical guide to getting the timing right, whether you're hosting a client dinner in Oxford, a college garden party or a wedding in the Cotswolds.
The Short Answer
For most events, send the formal invitation 4 to 8 weeks before the date. For anything bigger, more formal, or involving travel, send a save the date first.
Industry guidance is fairly consistent on this, recommending 4–8 weeks for most corporate events, with longer lead times for international or high-profile gatherings suggesting 8–12 weeks for galas and conferences, 3–5 weeks for client dinners and networking events, and 4–6 weeks for product launches.
A Quick Timing Guide by Event Type
Event type | Save the date | Formal invitation | RSVP deadline |
Wedding (UK guests) | 6–12 months | 6–12 weeks | 3–4 weeks before |
Gala dinner or awards evening | 8 weeks+ | 6–8 weeks | 2 weeks before |
Conference or summit | 10–12 weeks | 6–8 weeks | 2–3 weeks before |
Client or partner event | 6 weeks | 4 weeks | 10–14 days before |
Product launch or opening | Optional | 3–4 weeks | 7–10 days before |
Networking event | Not needed | 2–3 weeks | 1 week before |
Internal team event | Not needed | 2–4 weeks | 1 week before |
Weddings: Plan further ahead than you think
Hitched says save the dates are traditionally sent six to 12 months before the wedding.
Formal invitations have traditionally gone out six to eight weeks before, but 12 weeks is more realistic when guests need to arrange travel and accommodation.
That matters a lot in the Cotswolds. Many beautiful venues are rural, hotel rooms nearby are limited, and summer weekends book up quickly.
Corporate and client events: Respect busy diaries
Senior guests, such as partners, directors and clients, often have calendars filled weeks in advance. For a client dinner or a drinks reception, aim for at least three to four weeks' notice.
For anything formal or significant, aim for six to eight.
Oxford University Events: Work with the term calendar
College and departmental events follow their own calendar. Michaelmas, Hilary and Trinity terms, plus the summer season of gaudies, alumni weekends, garden parties and commemoration balls, shape when people are around and how busy they are.
A few pointers:
Send invitations before term starts for events held early in term, as inboxes get very busy in 0th and 1st week.
Allow extra time for alumni events. Guests often travel from across the UK or overseas, so a save the date 3–6 months ahead is sensible.
Check what's happening at other colleges. A clash with a big event elsewhere can quietly hit your numbers.
The best day and time to hit send
When you send an email invitation matters almost as much as how far ahead you send it.
Best days: Tuesday to Thursday. Tuesday is the most common day for event email sends, and 9am to 1pm is the most common time.
Best time: Mid-morning. Tuesday and Wednesday mornings, 9–11am,
Avoid evenings: Emails sent after 6pm tend to get lower engagement for professional events.
Inviting through a PA or House manager?
For private and high-profile guests, your invitation is often first read by an assistant who manages the diary. Send it early, include all the key details (date, timings, dress code, location, parking, and the RSVP contact) and make it easy to forward. A clear, complete invitation is much more likely to get a confirmed place in the diary.
Don't Stop at One Invitation
One email is rarely enough. A simple sequence works well:
Save the date: For larger or formal events, so the date is held.
Formal invitation: With full details and a clear RSVP deadline.
Reminder: About a week before the RSVP deadline, sent only to people who haven't replied.
Final details: A few days before the event, with arrival times, directions, parking and anything guests need to know.
Why invitation timing matters to your event team
This is where Wave come in.
An event only runs smoothly when the Event staff team is the right size for the guest list.
When invitations go out late and RSVPs arrive at the last minute, hosts end up guessing, and that usually means too few staff at the bar or too many on the payroll.
When your timing is right, you can:
Confirm guest numbers with your caterer and venue on time
Book the right number of waiting staff, bar staff, front-of-house and event crew
Brief your team properly on the guest list, VIPs and service style
Enjoy the day knowing everything is covered
Planning an Event in Oxfordshire or the Cotswolds?
Wave Staffing provides experienced, well-presented event staff for corporate functions, private parties, college events and weddings across Oxford, Oxfordshire and the Cotswolds.
Once your invitations are out, talk to us early. We'll help you plan the right team for your guest numbers and make sure the service on the day matches your hospitality.
Get in touch with Wave Staffing to discuss your next event.
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