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The dates you can't move — and whether the days between them fit

A flight home on the 8th, friends meeting you in Nashville on the 7th. Tell My Trip about a date like that and it lays out the days between here and there at your own speed, counts the locks, and says plainly whether they fit.

The Dates card on My Trip, under the section heading Plan around your dates. The blue Add a date button at the top right of the card is ringed in amber.
My Trip → Dates. Tools → Plan Around Your Dates opens the same card.

Three kinds of date

The add-a-date form: three buttons across the top — Be somewhere by a date, Away from the boat, Start from a place on a date — over a place search box, a date field and an optional note.

My Trip → Dates (Tools → Plan Around Your Dates opens the same card). Add a date offers three: Be somewhere by a date, Away from the boat, Start from a place on a date. Add several and they chain.

Fits, Tight, or Does not fit

Two stretches in the Dates card. Grand Haven Municipal Seawall to Chicago Lock / DuSable Harbor by Sun, Sep 20 is marked Fits, with Leave by Thu, Sep 17 and 3 travel + 1 rest day, 95 nm, 1 lock. Chicago Lock / DuSable Harbor to Nashville Riverfront / Metro Wharf by Wed, Oct 7 is marked Does not fit, with 21 travel + 8 rest days, 676 nm and 13 locks, and a line naming four tow-queue locks and the answer without them.
Your boat's profile and your own habit: 7.5 kn × 6 h, and 14 rest days against 23 travel days in the log.

Grand Haven to DuSable by the 20th: Fits — 95 nm, one lock, 3 travel + 1 rest day, leave by Thu, Sep 17. DuSable to Nashville by October 7th: Does not fit — 676 nm, 13 locks, 21 travel days at 7.5 kn × 6 h, arriving the 10th. The rest days are your own habit, 14 lay against 23 travel in your log.

Two numbers, not one

Four locks carry a tow-queue wait. Counted in the verdict, then said again without them: 17 travel days, arrive Tue, Oct 6 — fits.

Show the days

Four days of the plan. Each row carries the date, the miles, the hours under way, any locks and the minutes they cost, and where the boat spends the night — with the depth where one is on file.
Depth where we hold one, "depth not on file" where we don't.

Night by night, with depth where we hold one and "depth not on file" where we don't. October 6th is 1.2 nm and 37 hours at Kentucky Lock.

It reads your trip; it never rewrites it

Nothing changes until you press Set as next destination or Make it an away span.

What it cannot do yet

Rest days come from your pace, not the forecast; and it can tell you a date doesn't fit, not yet what would.