=TODAY()+13*14| from September 14 | Monday, March 15, 2027 |
| from September 15 | Tuesday, March 16, 2027 |
| from September 16 | Wednesday, March 17, 2027 |
| from September 17 | Thursday, March 18, 2027 |
| from September 18 | Friday, March 19, 2027 |
| from September 19 | Saturday, March 20, 2027 |
13 fortnights from today is Sunday, March 14, 2027.
13 fortnights from today falls on a Sunday.
13 fortnights from now is Sunday, March 14, 2027 — "from now" and "from today" mean the same thing here, counting from today's date.
A fortnight is two weeks, so 13 fortnights is 26 weeks (182 days).