The best way to send day-of updates to wedding guests

Why text and WhatsApp beat a group chat

On the wedding day, guests are getting ready, driving, or already at a venue with spotty signal. You need a channel that reaches them instantly and does not require anyone to open an app or check email. That is text: SMS in the US and WhatsApp for international guests, both read within minutes.

A group chat feels tempting but falls apart at scale. With more than a handful of people it becomes a wall of "thanks!" and "can’t wait!" replies, everyone’s number is exposed to strangers, and your genuinely important "shuttle leaves in 10 minutes" gets buried under emoji. A one-way broadcast fixes all of that: you send, everyone receives, and no one’s phone melts down.

• It actually gets read. Texts and WhatsApp messages are opened far faster than email, and most people have notifications on — ideal for time-sensitive updates.
• No app, no account. Guests do not download or sign into anything. The message arrives in the app they already use, which matters for older relatives.
• Privacy and calm. A broadcast keeps numbers private and stops the reply-all avalanche a group chat creates.

What to send on the day

Keep day-of messages short, specific, and rare. Each one should tell guests exactly what to do or expect. A good rule: if it changes where someone stands, when they move, or what they wear, it is worth a message.

• Shuttle and transport times. “The shuttle to the venue leaves the hotel lobby at 3:45 PM sharp. Next and final shuttle at 4:15.”
• Venue or room changes. “Ceremony has moved indoors to the Garden Room due to rain — same building, follow the signs.”
• Weather and what to bring. “It’s sunny and 90°F today — the ceremony is outdoors, so bring sunglasses and stay hydrated. Water stations by the entrance.”
• Ceremony starting. “The ceremony begins in 15 minutes. Please find your seats.” Short, timely nudges like this move a crowd.
• Schedule shifts. “Heads up: dinner is running about 20 minutes behind. Cocktail hour is extended — enjoy the terrace.”

Segment by event so guests get only what applies

For a multi-day or multi-event wedding, blasting everyone with everything backfires. The friends coming only to the reception do not need the "haldi starts in 30 minutes" note, and a mistimed message to the wrong crowd just trains people to ignore you.

Segment your updates by event and audience. Send the sangeet reminder to the sangeet list, the reception shuttle time to reception guests, and reserve all-guest messages for things that truly affect everyone. This is far easier when your messaging is tied to the same per-event guest list you already built.

Duva does this out of the box: because your guest list already tracks who is invited to which ceremony, you can send a day-of announcement to just that event’s guests, and it goes out over SMS or WhatsApp automatically depending on each person’s number. There is no app for guests to install and no group chat to manage.

Timing and a few ground rules

Getting the timing right is what separates a helpful update from an annoying one. Send transport and "get ready" messages with enough lead time to act on — usually 20 to 45 minutes ahead — and save the "starting now" nudge for the final few minutes.

Assign the sending to someone who is not you. On the wedding day the couple should not be drafting texts, so hand the guest list to a planner, a sibling, or a trusted friend and agree in advance on who pulls the trigger. A short pre-written set of messages ("shuttle," "moved indoors," "running late") means they can send in one tap when the moment comes.

• Fewer, better messages. Two or three well-timed updates beat a dozen. Every extra message makes the important one easier to miss.
• One clear sender. Designate a point person so guests always know the update is official and not a rumor from the group chat.
• Draft ahead. Pre-write the likely day-of messages so a change of plan takes seconds to communicate, not minutes.