Best Time and Frequency to Send Emails

"What's the best time to send email?" is one of the most-asked and most-overanswered questions in marketing — every study offers a different "optimal" day and hour, and most of them are wrong for you, because the real answer depends entirely on your specific audience. Frequency — how often you send — matters even more, and gets far less attention. Here's an honest take on timing and frequency: why the universal "best time" is a myth, how to find yours, and why frequency is the bigger lever.

Why the universal "best time" is a myth

The reason all those "best time to send" studies contradict each other: the optimal time depends on your specific audience's behaviour, not a universal rule. A B2B audience checks email during work hours; a consumer audience might engage evenings and weekends; a global list spans time zones; different demographics have different rhythms. So the "Tuesday at 10am" a study reports is an average across audiences that has little to do with your subscribers. Chasing a generic best-time recommendation is optimising on someone else's data. The honest truth: there is no universal best time — there's only the best time for your audience, which you discover from your own data. And here's the reassuring part: timing is a relatively minor lever compared to the fundamentals (relevance, segmentation, quality, subject lines). A great email sent at a decent time beats a mediocre one sent at the "perfect" time — so don't obsess over timing at the expense of what matters more.

Finding your best time

How to discover what works for your list rather than guessing: look at your own data (your analytics show when your subscribers open and engage — this is infinitely more reliable than any generic study, because it's your audience); test (A/B test send times with your list and measure — the empirical answer for your subscribers); consider your audience's context (B2B vs consumer, their time zones, their daily rhythm — reason about when they're likely to be receptive); use send-time optimisation if your platform offers it (some platforms automatically send to each subscriber at their individual optimal time based on past behaviour — often better than any single send time); and don't overthink it (a sensible time based on your data and audience is enough — the returns to timing precision are small once you're in a reasonable window). Find your time from your data, then move your energy to the bigger levers.

Frequency: the bigger, neglected lever

The question that matters more than timing and gets less attention: how often should you send? The tension: too infrequent and you leave value and revenue on the table (subscribers forget you, the relationship cools, and you miss chances to engage — many businesses send too rarely out of fear); too frequent and you fatigue people (over-mailing drives unsubscribes, spam complaints, and disengagement — which also hurts deliverability). The right frequency balances staying present and valuable against not overwhelming — and it depends on your audience and how much value you can consistently deliver. The keys: send as often as you have genuine value to offer (value, not volume, is the constraint — if every email helps, more is welcome; if you're padding, less is better); watch the signals (rising unsubscribes and falling engagement mean too frequent; declining familiarity and missed opportunities mean too infrequent — let the metrics guide you); let subscribers choose (a preference centre where people pick their frequency respects them and reduces unsubscribes, per the segmentation logic); and be consistent (a reliable cadence sets expectations and keeps you present). Get frequency right — the bigger lever — and timing becomes a minor optimisation on an already-strong programme reaching the audience content and authority build (our half).

Frequently asked questions

What's the best time to send marketing emails?

There's no universal answer — the best time depends on your specific audience's behaviour (B2B during work hours, consumer maybe evenings/weekends, global lists span time zones), which is why every study reports a different "optimal" time. Find yours from your own data (when your subscribers actually open and engage), test send times with your list, or use your platform's per-subscriber send-time optimisation. And don't obsess — timing is a minor lever compared to relevance, segmentation and quality.

How often should I email my list?

As often as you have genuine value to offer — value, not volume, is the constraint. Too infrequent leaves revenue on the table and lets the relationship cool; too frequent fatigues people into unsubscribes and complaints (hurting deliverability). Balance staying present against overwhelming, watch the signals (rising unsubscribes = too often; falling familiarity = too rare), let subscribers choose their frequency via a preference centre, and be consistent. Frequency is a bigger lever than timing and deserves more attention.

Is send time or frequency more important?

Frequency, by a good margin — how often you send (and whether it matches your audience's appetite for value) affects engagement, unsubscribes and deliverability far more than the exact hour of a send. Send time is a minor optimisation once you're in a reasonable window for your audience; frequency is a fundamental that shapes the whole relationship. Both matter less than relevance and quality, but between the two, put your energy into getting frequency right — the bigger lever on reaching the audience content and authority build (our lane).