When to Send Emails? [Complete Guide to Success]

By Denitsa Zhelyazkova

1 week ago

So, you’ve got a killer email ready to go, but ask yourself, “When should I send it to get the best response?” I’ve been there, wanting the perfect timing to get those opens, clicks, and conversions. The answer is never as simple as “Monday at 10 AM”.

The truth is, there’s no one-size-fits-all answer. It depends on your audience, your industry, the type of email you’re sending, and in general, a bit of experimentation. But don’t worry, I’ve got you covered with some tips and insights to help you maximize your email engagement, whatever your audience might look like.

Before we proceed, here is a short video summarizing some of the tips we will mention today. You can watch it below.

And now, let’s get to business!

⏰ General Email Timing Recommendations

The best days to send emails in my experience are Tuesday, Wednesday, and Thursday. These are the days when people are usually most engaged and focused. Mondays are a bit chaotic for everyone catching up on tasks, and by Friday, many are already winding down for the weekend. For timing, mid-morning (around 10 AM) or early afternoon (1-3 PM) are generally optimal. These time slots tend to work well for most campaigns.

🏢 Industry Matters More Than You Think

The timing of your emails depends a lot on the industry you’re in, as every industry has its own rhythm. Finding the best time for your specific audience is key to optimizing engagement!

For example, in B2B marketing, I’ve found that the best times to send emails are typically during the late morning (9-11 AM), when decision-makers are likely to be checking their inbox. For B2C campaigns, evenings and weekends can be more effective, as people are more relaxed and have more time to engage with content.

Here’s a breakdown of what I believe tends to work best for different industries:
Creative Agencies
  • Campaign Emails: Midweek mornings (Tuesday–Thursday) when people are in work mode
  • Run Marketing Campaigns for Clients: Fridays, as people are looking ahead to the weekend
  • Client Updates or Newsletters: Early mornings or late afternoons
Tech Startups

Tech startups often have a fast-paced work environment with a focus on productivity and innovation.

  • Best Send Time: Mid-morning (9-11 AM)
  • Why: Key decision-makers, like founders and project managers, are often checking emails as they start their day. You’ll also want to send out updates and product launches when they’re in a “work mode” mentality.
  • Tip: Early-week sends work best for product-related emails, while midweek (Tuesday- Thursday) is prime for industry insights and newsletters.
E-commerce

For e-commerce businesses, timing can vary depending on the target customer base. Many shoppers browse in the evening after work or on weekends.

  • Best Send Time: Evenings (5-8 PM) or weekends
  • Why: Customers are more likely to engage with promotional emails when they are relaxed and have time to shop.
  • Tip: Promotional emails like Flash Sales work best on Fridays to catch people as they begin planning their weekend shopping. Weekend emails also provide great opportunities for discounts and last-minute deals.
Non-profit organizations

Many nonprofit organizations focus on awareness and donations, often aligning with specific time-sensitive events.

  • Best Send Time: Late mornings or early afternoons (10 AM–1 PM)
  • Why: Donors and supporters are often more likely to read and engage with fundraising or volunteer-related emails when they’re mentally in a “giving” mood, such as during mid-day breaks.
  • Tip: Send out event reminders or appeal campaigns earlier in the day to catch people before their schedules get too packed.

📊 Data-Driven Studies and Statistics

Data doesn’t lie, right? Let’s review some key findings from recent studies that can guide your email send times. The statistics below help pinpoint the best times for your emails, and show that the right timing really can make a difference!

  • Open Rates: A Campaign Monitor report found that emails sent on Tuesdays saw a 17% higher open rate compared to other days of the week.
  • Click-Through Rates: According to GetResponse, emails sent at 10 AM have an average click-through rate of 2.5%, while those sent at 3 PM saw a drop to 1.8%.
  • Conversion Metrics: A study by Mailchimp showed that emails sent between 8-10 AM resulted in a 12% higher conversion rate compared to those sent later in the day.

🔍 A/B Testing: Find What Works for You

A/B testing is honestly one of my favorite ways to figure out the best time for sending emails. It’s a game-changer! A HubSpot study revealed that 54% of marketers who tested their email send times regularly saw an improvement in their results. Whether you’re testing different send times, subject lines, or content, it helps you get a clearer picture of what resonates most with your audience.

Here’s how I recommend running your A/B tests:

  • Test different send times. Start with a few different time slots, like early morning, mid-morning, and afternoon, to see which one gets the best response.
  • Compare open rates and click-through rates. Focus on metrics like open rates and click-through rates to understand how send time affects engagement.
  • Track your results. Use the data to adjust your strategy over time. A/B testing isn’t just about finding a winning time once, it’s about continuous improvement.

By doing this, you can quickly determine what works best for your audience, and trust me, it’s worth the effort. The beauty of A/B testing is that it’s data-driven, so you can make informed decisions, not just guess! 

 

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🌍 Managing Multiple Time Zones

Managing email campaigns across multiple time zones can feel like a juggling act, but trust me, it’s totally doable! If you’re sending emails globally, timing is even more crucial because you want your messages to land in inboxes when your audience is most likely to engage. 

💡 A Mailchimp study found that emails sent at the local time of recipients had a 20% higher open rate, which really highlights how important this is.

Here are my tips for managing time zones effectively:

  • Use email tools that adjust for time zones automatically. Platforms like Mailchimp and HubSpot can do this for you, saving you time and effort.
  • Segment your email lists by region. If you have a global audience, this will ensure that you send emails at the right local time.
  • Consider audience behavior. In some regions, your audience might be more likely to engage in the evening or on weekends, so be adaptable and adjust accordingly.

✏️ Tools to Help Optimize Send Times

Choosing the right email marketing tool can make all the difference when it comes to sending emails at the perfect time. The good news? Many platforms offer timing optimization features that take the guesswork out of scheduling emails.

Personally, I recommend using the following tools to simplify the process. They can make sure your emails reach the right people at the right time, no matter where they are in the world. Let’s compare them:

Tool Best For Key Timing Optimization Features
Mailchimp Small to medium businesses, agencies, e-commerce Smart Send Time – AI analyzes past engagement to optimize send times
Time Zone Optimization – Sends emails based on the recipient’s local time
HubSpot Businesses needing an all-in-one CRM & marketing tool Send Time Optimization – Uses machine learning to send emails at peak engagement times
A/B Testing – Allows testing of different send times
Campaign Monitor Marketing agencies, high-design email campaigns Send Time Optimization – Schedules emails based on past engagement data
Advanced Segmentation – Targets different audience groups with optimized send times
Brevo Budget-friendly email marketing with automation Machine Learning Optimization – Analyzes user interactions to determine the best send time
Time Zone-Based Sending – Ensures emails are sent at the right local time
ConvertKit Bloggers, content creators, personal brands Resend to Unopened Feature – Automatically resends emails at a different time if the first attempt isn’t opened
Automated Sequences – Customizable email sequences with flexible timing options

So, which one should you choose? It really depends on your needs!

  • If you want AI-powered optimization, go for Mailchimp or HubSpot.
  • For agency-level control, then Campaign Monitor is a great choice.
  • For budget-friendly automation, Brevo is a solid option.
  • If you’re a content creator, ConvertKit has excellent timing features.

No matter which tool you pick, leveraging timing optimization features will help you boost open rates and engagement effortlessly!

📈 Real-World Case Studies to Inspire You

Sometimes, the best way to understand what works is to see real-life examples from agencies that have successfully optimized their email timing. Here are a few inspiring case studies that show the power of perfect timing in email marketing.

➡️ Case Study 1: MailiGen’s 9% Increase in Open Rates by Resending Emails

  • Company: MailiGen (by Paperdrive), an email marketing platform
  • Challenge: Low open rates for initial email campaigns
  • Strategy: Resent emails to non-openers after 48 hours with a different subject line
  • Results:
    • Open rate increased from 20% to 29%
    • Click-through rate increased by 3.5%
  • Key Takeaway: Resending emails to non-openers with a compelling subject line can effectively increase open and click-through rates.

➡️ Case Study 2: Chronos Agency’s Afternoon Email Optimization

  • Agency: Chronos Agency, a digital marketing firm
  • Challenge: Determining the best time to send email campaigns for maximum open rates and engagement
  • Strategy: Conducted a series of three A/B tests with identical emails, subject lines, and content. The only variable tested was the send time: 10 AM vs. 4:15 PM.
  • Results:
    • Highest open rates and increased revenue occurred with the 4:15 PM send time
    • The 10 AM send time didn’t perform as well in comparison, especially in terms of engagement and revenue generation
  • Key Takeaway: Afternoon emails (4:15 PM) can outperform early-morning sends, showing that timing plays a crucial role in driving engagement and even revenue. Agencies should test send times to find the sweet spot for their clients.

➡️ Case Study 3: Mockingbird Marketing’s A/B Testing

  • Agency: Mockingbird Marketing, a digital marketing firm
  • Challenge: Identifying the optimal time to send their newsletter for maximum engagement
  • Strategy: Conducted A/B testing by sending the newsletter at different times: 9:00 AM, 9:30 AM, and 10:00 AM
  • Results:
    • 9:00 AM send time: Open rate of 17.36%, click rate of 2.67%
    • 9:30 AM send time: Open rate of 15.46%, click rate of 1.58%
    • 10:00 AM send time: Open rate of 16.49%, click rate of 2.41%
  • Key Takeaway: Earlier send times (9:00 – 9:30 AM) appeared to be preferable for their newsletter campaigns, though further testing is needed to conclude the optimal time.

💡Tips on Balancing Timing with Content Strategy

As we already know, sending emails at the right time is important. However, the content you send is just as crucial to ensure your audience takes action. Here are some practical tips on balancing timing with a compelling content strategy for maximum impact!

1. Align Content with the Timing of the Send

I believe aligning the content to the time of day helps your audience engage more naturally with the message.

  • Morning emails: Best for thought leadership, product updates, or time-sensitive offers. People are often in “work mode,” so your content should reflect that.
  • Evening or weekend emails: Great for more relaxed content like discounts, lifestyle products, or exclusive deals.

2. Use Attention-Grabbing Subject Lines Based on Timing

The timing of your email should also influence the subject line you craft. This small tweak can make a big difference in whether your audience opens the email at all! For instance:

  • Morning: Focus on urgency and productivity (e.g., “Start Your Day with a 10% Discount!”)
  • Evening: Use more relaxed language to invite a moment of leisure (e.g., “Wind Down with This Exclusive Deal”).

3. Segment Your Audience Based on Activity and Timing

Send your content based on when your audience is most likely to engage. If your data shows that certain segments engage at specific times, send tailored messages that resonate with their behavior. By doing this, your emails will be more relevant and personalized, hopefully leading to higher engagement. E.g.:

  • For active users: Send content with more complex offers or in-depth insights, when they are more likely to absorb it.
  • For casual users: A lighter, more engaging email might work best during those off-peak hours when they are more relaxed and receptive.

4. Ensure Your CTA Matches the Timing

A great CTA has the power to make your timing and content come together to drive action!

  • Early-morning emails: Focus on tasks or actions that need to be done today, like “Get Started Now” or “Reserve Your Spot.”
  • Evening or weekend emails: Try CTAs like “Relax with This Deal” or “Treat Yourself Tonight.”

5. Leverage Urgency for Limited-Time Offers

If your email includes a limited-time offer, timing is everything! I find urgency combined with well-timed emails can lead to immediate action from your audience.

  • Morning emails: Use countdown timers to create urgency for sales or promotions.
  • Late-night emails: Focus on reminding subscribers that the offer ends soon.

Final Thoughts:
Timing + Content = Success

Perfecting both when you send your emails and what’s inside them is the recipe to success. When your timing aligns with your audience’s habits, and your content speaks to their needs, you create a personal connection that drives action.

Small tweaks in timing can make a huge difference, so keep testing, refining, and optimizing. Trust me, when you find that sweet spot, the results can be amazing!

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