What Is the Best Time to Send Emails?

Email marketing can be powerful but only if your emails get opened. And when it comes to open rates, timing matters more than you might think. After studying 17.87 million messages from email's sent through 2025 through Trembi, these are the best times to send emails.

So, what’s the best time to send your emails? Let’s break it down.

Here’s the revised version. Clean. Human. Straightforward. With a table added.

Email marketing works.But only if your emails get opened.

And most emails fail for one simple reason.

Bad timing.

We analyzed 197.87 million emails sent through Trembi in 2025.Clear patterns showed up across industries, audiences, and regions.

Here’s what actually worked.

Best Days to Send Emails

The middle of the week consistently performs better than the rest.

Day	Performance	Why
Tuesday	Very High	People are settled into work and actively checking inboxes
Wednesday	High	Focus is still strong and email volume is manageable
Thursday	Good	Works well for follow-ups and reminders
Monday	Low	Inbox overload after the weekend
Friday	Low	Attention shifts away from work
Weekend	Very Low	Only works for specific B2C use cases

If you want reliable engagement, stick to Tuesday through Thursday.

Best Times to Send Emails

Timing within the day matters just as much as the day itself.

Time	Engagement Level	Why
8 AM	Good	Early inbox check before the day starts
10 AM	Very High	Mid-morning focus window
1 PM	High	Post-lunch browsing
6 PM	High	Final inbox check before logging off
8 PM	Medium	Evening scroll time
Late Night	Poor	Emails get ignored or buried

Avoid sending emails when people are asleep. They won’t see them when it matters.

Timing Depends on Who You’re Emailing

Not all audiences behave the same way.

B2B emails: Weekday mornings work best. Professionals check email early and often.

B2C emails: Afternoons, evenings, and sometimes weekends perform better. This is especially true for shopping, lifestyle, and promotional content.

Always send based on your audience’s local time. One global send time rarely works.

Test What Works for You

Benchmarks are helpful. But your data is more important.

• Test different days and times

• Compare open and click rates

• Keep what works

• Drop what doesn’t

Good email marketing is built on patterns, not opinions.

Rules That Always Hold

• Don’t send too often

• One strong email beats several weak ones

• Subject lines still matter

• Consistency beats clever tricks

Automate the Timing

Manually guessing send times doesn’t scale.

With Trembi Campaigns, emails are sent based on:

• User behavior

• Engagement history

• Time zones

Automatically.

No guesswork. No manual scheduling.

---

Learn more about Trembi Campaigns

Learn More

---

Timing won’t fix bad emails. But good timing makes good emails perform better.

Test. Adjust. Repeat.