=TODAY()+3*7| from October 10 | Saturday, October 31, 2026 |
| from October 11 | Sunday, November 1, 2026 |
| from October 12 | Monday, November 2, 2026 |
| from October 13 | Tuesday, November 3, 2026 |
| from October 14 | Wednesday, November 4, 2026 |
| from October 15 | Thursday, November 5, 2026 |
3 weeks from today is Friday, October 30, 2026.
3 weeks from today falls on a Friday.
3 weeks from now is Friday, October 30, 2026 — "from now" and "from today" mean the same thing here, counting from today's date.
3 weeks is 21 days.