=TODAY()+3*7| from October 17 | Saturday, November 7, 2026 |
| from October 18 | Sunday, November 8, 2026 |
| from October 19 | Monday, November 9, 2026 |
| from October 20 | Tuesday, November 10, 2026 |
| from October 21 | Wednesday, November 11, 2026 |
| from October 22 | Thursday, November 12, 2026 |
3 weeks from today is Friday, November 6, 2026.
3 weeks from today falls on a Friday.
3 weeks from now is Friday, November 6, 2026 — "from now" and "from today" mean the same thing here, counting from today's date.
3 weeks is 21 days.