October 2026
The 21 days, night by night.
The challenge runs October 8 through October 28, with daily logs throughout and a celebration night on October 29.
| Sun | Mon | Tue | Wed | Thu | Fri | Sat |
|---|---|---|---|---|---|---|
| 1 | 2 | 3 | ||||
| 4 | 5 | 6 | 7 | 8M1 · D | 9V/E · D | 10S · D |
| 11E · D | 12D | 13D | 14D | 15M2 · D | 16V/E · D | 17S · D |
| 18E · D | 19D | 20D | 21D | 22M3 · D | 23V/E · D | 24S · D |
| 25E · D | 26D | 27D | 28FR · D | 29CE | 30Follow-up | 31Follow-up |
- M
- Thursday D21 meeting
- V
- Friday vespers
- S
- Saturday social night
- E
- Evangelistic seminar
- D
- Daily log
- FR
- Final reflections due
- CE
- Celebration event
Every week looks like this
Thursday
D21 Main Meeting
U-M faculty, alumni, and graduate students on holistic health. Michigan Union Pond Room.
120 pts
Friday
Vespers
A quiet close to the week with music and a short Scripture-led message.
40 pts
Saturday
Social Night
Game nights and casual hangouts hosted by ACF — easy to bring a friend.
40 pts
Sunday
Evangelistic Seminar
Practical, student-facing messages led by Pr. Jorge Neketela.
40 pts
Every day
Daily Log
Log meals, movement, sleep, and reflection in under a minute.
up to 30 pts
Speakers & leaders
Dr. Simone Charles
U-M faculty
Environment & public health
Dr. Albert Kim
U-M faculty
Body & preventive medicine
Judy Ramos
PhD candidate, Education
Mind & learning under pressure
Anabel Sosa
Graduate student, Social Work
Community & belonging
Isabella Bacchiocchi
Graduate student, Social Work
Mental health on campus
Pr. Jorge Neketela
Ann Arbor SDA Church
Spirit & Scripture-led evenings
Programming led by George Kertawidjaja (Public Campus Ministries Liaison) and Kevin Brooks (ACF President).
Key dates
- Oct 8 — Launch night + Day 1 of the challenge
- Oct 15 — Main meeting 2
- Oct 22 — Main meeting 3
- Oct 28 — Day 21 — final reflections due
- Oct 29 — Celebration event, raffles, and prizes