Mail Merge

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Best Time to Send Email

Pick your email type, audience, and recipient timezone to get a recommended send window backed by engagement data.

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There is no single magic hour, but decades of send-time studies agree on clear patterns: business audiences engage most mid-week and mid-morning, consumers respond in evenings and on weekends, and every audience reads email in its own local time. This free best time to send email calculator turns those patterns into a concrete recommendation for your campaign: choose what you are sending and to whom, and it suggests the days and the exact hour window to schedule.

Email engagement by day of the week

Day Typical engagement
Monday Medium
Tuesday High
Wednesday High
Thursday High
Friday Medium
Saturday Low
Sunday Low

How to find your best send time

  1. 1

    Select the type of email you are sending: newsletter, cold outreach, follow-up, announcement, or internal.

  2. 2

    Choose whether your audience is B2B, B2C, or mixed.

  3. 3

    Pick the timezone most of your recipients live in, or leave it on "Same as mine".

  4. 4

    Click "Find the best time" and read the recommended days, hour window, and the reasoning behind them.

  5. 5

    Schedule your campaign for that window and compare open rates against your previous sends.

Frequently asked questions

Is there one universal best time to send email?

No. The right time depends on who your recipients are and what you are sending. B2B audiences check email during work hours, consumers in the evening and on weekends. That said, the aggregate data is remarkably consistent: Tuesday through Thursday mornings are the safest default for professional audiences.

Why do Tuesday to Thursday mornings work so well for B2B?

Monday inboxes are flooded with weekend backlog and Friday attention drifts toward the weekend. Mid-week mornings are when professionals actively process email with time to respond. Arriving at the top of that morning triage session is the single biggest timing advantage you can get.

When should I send a newsletter?

For business newsletters, aim for Tuesday or Wednesday around 10:00. For consumer newsletters, weekend mornings often outperform weekdays because subscribers finally have time to read. If your list mixes both, test a Tuesday morning send against a Saturday morning send and let your open rates decide.

Should I send in my timezone or the recipient's?

Always think in the recipient's local time: an 8:00 send from New York lands at 5:00 in San Francisco and at 14:00 in Berlin. If your list spans several regions, segment it by timezone and schedule one send per segment, or pick the window that covers your largest group.

Does send time affect deliverability?

Indirectly, yes. Mailbox providers watch how recipients engage with your mail, and messages that get opened and replied to build sender reputation. Sending when people actually read email increases engagement, which over time improves your inbox placement.

How do I test what works for my own list?

Split your list into comparable segments and send the same campaign at two different times, then compare open and click rates after 48 hours. Repeat over a few campaigns before drawing conclusions, since a single send can be skewed by subject line or seasonality. Your own data always beats industry averages.

Schedule your campaigns at the perfect time

Mail Merge for Gmail lets you send and schedule personalized bulk emails right from Google Sheets, so every campaign goes out exactly when it should.