If you have not added a calendar, reservations cannot be made.
Go to Calendars
In SharperMMS, click System Settings in the left navigation.
Click the Calendars tile.
Create the new year calendar
Click Add New.
Name: use something clear like 2026 Transients, 2026 Rental Boats, or 2026 Marina Calendar.
Year: set to the new year (e.g. 2026).
Add the base Off‑Season period
Click New to add a time period.
Start Date: 01/01/2026
End Date: 12/31/2026
Period Days: choose All Period Days.
Pick a color.
Click OK (no need to toggle overwrite yet – this is your base layer).
Add In‑Season and other periods (with overwrite)
For each additional timeframe:Click New again:
Example: In‑Season
Start/End: your in‑season dates (e.g. 04/01/2026 – 09/30/2026)
Select appropriate Period Days (All, or specific days)
Choose a color
Turn ON the Overwrite Existing Periods toggle
Click OK
Example: In‑Season Weekends
Dates within in‑season range
Period Days: Sat, Sun
Overwrite toggle ON
Click OK
Example: Holidays (Memorial Day, July 4, Labor Day, etc.)
Add as individual date ranges or single days
Overwrite toggle ON
Repeat until all seasons/holidays are represented the way you want.
Save the calendar
Click Save at the top.
This calendar will then be available to attach to Rate Plans and relevant products.
If you are having any issues with getting your calendar setup please contact support for assistance.