420 Science emails
420 Science sends about 3 emails a week through Klaviyo, most often on Thursday around 11 AM Eastern.
- ESP
- Klaviyo
- Emails a week
- about 3
- Busiest send time
- Thursdays at 11am ET
- Last sent
- Yesterday · Oct 28
- Tracked since
- Mar 2026
- Emails collected
- 82
- Website popularity
- Top 500,000 sites
Recent emails
Oct 28, 2026 4:41 PM
Fine. Here's 10% to Seal the Deal
Oct 28, 2026 2:15 PM
The Halloween Sale Includes the Good Stuff
Oct 26, 2026 4:40 PM
You Left Something Behind Today
Oct 26, 2026 10:15 AM
The Halloween Sale is Live Right Now
Oct 20, 2026 11:03 AM
Four New Ways to Get Properly Stoned
Oct 15, 2026 1:15 PM
Three Gravity Bongs Worth Your Attention
Recent subject lines
All subject linesSubject lines average 33 characters. Each one opens the email it came from.
| Picture | Sent (Eastern) | Subject | Preview text |
|---|---|---|---|
| Oct 28, 2026 4:41 PM | Fine. Here's 10% to Seal the Deal | We don't do this for just anyone tbh | |
| Oct 28, 2026 2:15 PM | The Halloween Sale Includes the Good Stuff | 25% off plus free shipping on everything | |
| Oct 26, 2026 4:40 PM | You Left Something Behind Today | Your future self is judging you so hard rn | |
| Oct 26, 2026 10:15 AM | The Halloween Sale is Live Right Now | Get a quarter off the whole shop today | |
| Oct 20, 2026 11:03 AM | Four New Ways to Get Properly Stoned | Go on, treat your stash to something new | |
| Oct 15, 2026 1:15 PM | Three Gravity Bongs Worth Your Attention | Big hits, zero lung heroics, all physics | |
| Oct 13, 2026 11:06 AM | Nwtn Home is Worth a Spot On Your Shelf | A brand made just for your collection | |
| Oct 8, 2026 1:15 PM | Points You Earned Are Ready to Spend | Stop sleeping on your Rewards points |
Archive
View full archiveOctober 2026 10 emails
View allNwtn Home is Worth a Spot On Your Shelf
Oct 13, 2026 11:06 AM
Points You Earned Are Ready to Spend
Oct 8, 2026 1:15 PM
Fifty cones with quartz tips, ready to go
Oct 6, 2026 11:02 AM
Grab a Smile, It's World Smile Day
Oct 2, 2026 11:03 AM
September 2026 10 emails
View allSep 30, 2026 6:03 PM
Sep 22, 2026 6:01 PM
Fine. Here's 10% to Seal the Deal
Sep 21, 2026 7:37 AM
You Left Something Behind Today
Sep 19, 2026 7:35 AM
Resident Evil & Gummies, That's the Plan
Sep 18, 2026 8:00 PM
The PAX Four Finally Gets Its Moment
Sep 12, 2026 12:07 PM
Empire Glassworks Just Woke Up 👀
Sep 10, 2026 4:02 PM
25% Off Everything Ends In Hours
Sep 8, 2026 4:02 PM
Your 25% Sitewide Savings Won’t Last Forever
Sep 5, 2026 11:03 AM
Double Points, Shipping, & 25% Off Everything
Sep 3, 2026 11:06 AM
When 420 Science sends
26% of its emails arrive in the 11 AM hour, with a second, smaller wave around 4 PM. Thursdays are the busiest day.
| 12a | 1a | 2a | 3a | 4a | 5a | 6a | 7a | 8a | 9a | 10a | 11a | 12p | 1p | 2p | 3p | 4p | 5p | 6p | 7p | 8p | 9p | 10p | 11p | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Mon | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 2 | 3 | 0 | 0 | 1 | 0 | 2 | 1 | 0 | 1 | 1 | 0 | 0 | 0 |
| Tue | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 5 | 0 | 1 | 0 | 0 | 3 | 2 | 1 | 0 | 1 | 1 | 0 | 0 |
| Wed | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 1 | 0 | 2 | 1 | 1 | 0 | 0 | 0 | 0 | 0 |
| Thu | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 3 | 4 | 0 | 4 | 1 | 0 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Fri | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 2 | 0 | 2 | 5 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 0 |
| Sat | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 0 | 1 | 4 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1 |
| Sun | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 |
| Mon | Tue | Wed | Thu | Fri | Sat | Sun | |
|---|---|---|---|---|---|---|---|
| 12a | 0 | 0 | 0 | 1 | 0 | 0 | 1 |
| 1a | 0 | 1 | 0 | 0 | 0 | 0 | 0 |
| 2a | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 3a | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 4a | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 5a | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 6a | 0 | 0 | 1 | 0 | 1 | 1 | 1 |
| 7a | 1 | 0 | 0 | 0 | 0 | 1 | 0 |
| 8a | 0 | 0 | 0 | 1 | 2 | 1 | 0 |
| 9a | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 10a | 2 | 1 | 1 | 3 | 2 | 1 | 1 |
| 11a | 3 | 5 | 0 | 4 | 5 | 4 | 0 |
| 12p | 0 | 0 | 0 | 0 | 0 | 1 | 0 |
| 1p | 0 | 1 | 0 | 4 | 1 | 0 | 2 |
| 2p | 1 | 0 | 1 | 1 | 0 | 0 | 0 |
| 3p | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 4p | 2 | 3 | 2 | 3 | 0 | 0 | 0 |
| 5p | 1 | 2 | 1 | 0 | 0 | 0 | 0 |
| 6p | 0 | 1 | 1 | 0 | 0 | 0 | 1 |
| 7p | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
| 8p | 1 | 1 | 0 | 0 | 1 | 1 | 0 |
| 9p | 0 | 1 | 0 | 0 | 1 | 0 | 0 |
| 10p | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 11p | 0 | 0 | 0 | 0 | 0 | 1 | 0 |
FewerMore(busiest cell: 5 emails)
Based on 82 emails received from Mar 16 to Oct 28, 2026. Times in US Eastern. How we collect · When all brands send
How often 420 Science sends
Complete months have run between 9 and 15 emails.
- Busiest month
- Apr 2026, 15
- Quietest month
- May 2026, 9
- Busiest day
- Thursday, 17
- Quietest day
- Sunday, 6
About 420 Science
- ESP
- Klaviyo
- Website popularity (CrUX)
- Top 500,000 sites
- Tracked since
- Mar 2026
- Emails collected
- 82
- Emails a week
- about 3
- Last sent
- Oct 28, 2026
- Sends from
- help@
420science.com - Subject length
- 33 characters avg
Counts include automated emails such as a welcome series. Website popularity is the bracket the brand's site falls in by visits, from Google's public Chrome UX Report (CrUX).
Similar sending frequency
| Latest email | Brand | ESP | Website popularity | Emails a week | Busiest day | Last sent | |
|---|---|---|---|---|---|---|---|
 1-TDC worksSOwellworkssowell.com | Klaviyo | about 3 | Friday | Oct 29, 2026 | Klaviyo · about 3 a week · busiest Friday · last sent Oct 29, 2026 | ||
 33Fuel33fuel.com | Klaviyo | about 3 | Tuesday | Oct 27, 2026 | Klaviyo · about 3 a week · busiest Tuesday · last sent Oct 27, 2026 | ||
 3D Meta3dmeta.com.au | Klaviyo | about 3 | Tuesday | Oct 26, 2026 | Klaviyo · about 3 a week · busiest Tuesday · last sent Oct 26, 2026 |
