How many weeks until Earth Day?
29 weeks and 1 day until Earth Day 2027
Thursday, April 22, 2027
204 days in total.
Counted from today, Wednesday, September 30, 2026, in your time zone. The target day itself is included; today is not. Dates follow the official rule — see our sources.
Every way to count to Earth Day 2027
- Days
- 204 days
- Weeks
- 29 weeks and 1 day
- Months
- 6 months, 23 days
- Weekends
- 29 weekends
- Business days
- 146 days
- 139 without US federal holidays
- Sleeps
- 204 sleeps
- Fortnights
- 14 fortnights, 8 days
- Hours
- 4,896
Week by week to Earth Day
Each date below is exactly that many whole weeks before Thursday, April 22, 2027 — the same weekday, counting down. Earth Day falls in ISO week 16 of 2027.
| Weeks left | On | ISO week |
|---|---|---|
| 29 weeks to go | Thursday, October 1, 2026 | 40 |
| 28 weeks to go | Thursday, October 8, 2026 | 41 |
| 27 weeks to go | Thursday, October 15, 2026 | 42 |
| 26 weeks to go | Thursday, October 22, 2026 | 43 |
| 25 weeks to go | Thursday, October 29, 2026 | 44 |
| 24 weeks to go | Thursday, November 5, 2026 | 45 |
| 12 weeks to go | Thursday, January 28, 2027 | 4 |
| 11 weeks to go | Thursday, February 4, 2027 | 5 |
| 10 weeks to go | Thursday, February 11, 2027 | 6 |
| 9 weeks to go | Thursday, February 18, 2027 | 7 |
| 8 weeks to go | Thursday, February 25, 2027 | 8 |
| 7 weeks to go | Thursday, March 4, 2027 | 9 |
| 6 weeks to go | Thursday, March 11, 2027 | 10 |
| 5 weeks to go | Thursday, March 18, 2027 | 11 |
| 4 weeks to go | Thursday, March 25, 2027 | 12 |
| 3 weeks to go | Thursday, April 1, 2027 | 13 |
| 2 weeks to go | Thursday, April 8, 2027 | 14 |
| 1 week to go | Thursday, April 15, 2027 | 15 |
About Earth Day
Earth Day has rallied support for environmental protection every April 22 since the first event in 1970.
Earth Day falls on April 22 every year.
How we check dates and facts: see our sources.
After 2027, Earth Day falls on April 22, 2028, April 22, 2029, April 22, 2030. See every year.
Count down to Earth Day in
Related countdowns
Frequently asked questions
When is Earth Day 2027?
Earth Day 2027 is on Thursday, April 22, 2027. Earth Day falls on April 22 every year.
When is Earth Day 2028?
Earth Day 2028 falls on Saturday, April 22, 2028.
How many days until Earth Day?
204 days, counting from today to April 22, 2027.
How are weeks counted?
Whole 7-day weeks plus the remaining days, taken from the same day count.