Do Something Nice Day

What the day is

Do Something Nice Day is observed on October 5. The instruction is the entire holiday: do one nice thing for someone else, deliberately, on this day.

It sits among several kindness observances on the calendar, and what distinguishes this one is its modesty. There is no campaign, no hashtag requirement and no suggestion that the act should be large.

Origin and background

The origin of the observance is not documented, and no founder or sponsoring organization is reliably known.

The premise holds up better than most feel-good claims. Research on prosocial behavior fairly consistently finds that people who perform acts of kindness report improved mood afterward, and that the effect is stronger for acts directed at specific people than for vague generosity. There is also reasonable evidence that kindness is observed and imitated: people who see someone help are more likely to help next themselves.

The honest caveats are worth stating. The effects are modest, they fade, and a single designated day does not change much on its own. What a day like this can usefully do is prompt the act that was already half-intended and kept being postponed.

How to take part

Specific beats grand. The useful version costs little and lands on someone in particular.

• Send the message you have been meaning to send. Most people have at least one overdue.
• Say the compliment out loud rather than thinking it. Noticing someone's work is free and unusually rare.
• Do the chore that is not yours, without announcing it.
• Check on the person who has gone quiet. Being asked after matters more than the asking feels like it should.
• Leave a genuine review for a small business you like. It costs two minutes and materially helps them.
• Be generous with a stranger having a bad day, particularly someone working a service job.

If you want it to outlast the day, pick one of these and make it weekly. A repeated small kindness beats an annual large one.