You could write the perfect email and still have almost nobody read it, simply because of when you hit send. Studying the best time to send a marketing email can boost your open rates without changing a single word of your message. Here is what the data and real testing show.
Why Timing Matters
Inboxes are busiest right when people start and end their workday. An email sent at the wrong moment can get buried under dozens of other messages before anyone even sees it. Good timing simply gives your email a better chance of being noticed.
What General Data Shows
Across many studies of email opens, a few patterns show up again and again:
- Weekday mornings, especially Tuesday through Thursday, tend to perform well for many types of emails.
- Mid-morning, around 9 to 11 AM in the recipient's time zone, is a common sweet spot.
- Early afternoon, around 1 to 2 PM, can work well for a second daily check of email.
- Weekends usually see lower open rates for business emails, though this can differ for consumer brands.
Why "Best Time" Still Depends on You
These general patterns are a helpful starting point, not a strict rule. Your audience might check email at unusual times because of their job, time zone, or daily habits. A group of night-shift workers, for example, may open email late at night instead of the morning.
Quick Tip
Look at your own past email reports before guessing. Most email tools show you exactly what time your past emails were opened the most.
Time Zones and a Spread-Out Audience
If your subscribers live across many countries or regions, a single fixed send time can mean great timing for some and terrible timing for others. This is exactly why many modern email tools include a "send at local time" option, which automatically adjusts delivery so every subscriber gets your email around the same local hour, no matter where they live. Turning on this setting, when available, is one of the easiest timing wins you can make with almost no extra effort. It takes just a moment to enable, yet it can quietly improve results for every single email you send afterward.
How Your Industry Changes the Picture
Different types of businesses often see different timing patterns. A business-to-business company selling software may see the best results during work hours, since their readers check email as part of their job. A restaurant or retail shop, on the other hand, might see stronger results in the evening or on weekends, when customers are thinking about food or shopping rather than work tasks. There is no shortcut around knowing your own audience's daily rhythm. Keeping a simple note of what has worked in the past, even just a few lines in a notebook, can help you spot your own best patterns faster than starting fresh every time.
How to Test Timing Yourself
- Pick two or three send times to test, such as 9 AM, 1 PM, and 6 PM.
- Send similar emails at each time over a few weeks.
- Compare open rates and click rates for each time slot.
- Stick with whichever time performs best for your specific audience.
Does the Day of the Week Matter Too?
Yes, almost as much as the hour. Many senders find that Tuesday, Wednesday, and Thursday outperform Monday and Friday, since Mondays are often busy with catching up and Fridays are winding down. Still, this varies by industry, so testing your own list is the safest bet.
See detailed timing research and reports at HubSpot's email marketing statistics.
Testing Timing for New Businesses
If you are just starting out and have no past data yet, do not worry. Begin with the general patterns described above, then start tracking results from your very first email. Within just a few sends, you will already have real numbers from your own audience, which are always more valuable than any general guideline borrowed from someone else's list.
Frequently Asked Questions
Is there truly one best time for everyone?
No single time works for every business. General data gives a strong starting point, but your own subscriber habits always matter more in the end, so treat these numbers as a starting guess rather than a fixed rule.
How often should I re-test my send time?
Checking every few months is a good habit, especially if your audience changes or grows into new regions or time zones.
Does time zone matter if I have subscribers worldwide?
Yes. Many email tools let you send based on each subscriber's own local time zone, which can improve results for a spread-out audience.
Finding the best time to send a marketing email is part science and part testing. Start with the general patterns, then let your own results guide you from there.
What About Sending on Mobile-Heavy Audiences?
If most of your readers open email on their phones, timing habits can shift slightly. Many people check phones first thing when they wake up and again right before bed, which can create extra small windows worth testing beyond the usual mid-morning slot. Checking what device your subscribers use most, often shown in your email tool's reports, can guide these extra tests.
Special Timing for Sales and Announcements
Big sales or time-sensitive news sometimes break the usual rules. A flash sale announced late in the evening can still perform well if the deal feels urgent and exciting enough. For these emails, focus less on the "ideal" time and more on giving people enough time to act before the offer ends.