Pennsic runs for 17 days, starting at the end of July. The ending date is the second full weekend in August. (Prior to 2007, Pennsic War used to begin and end one week later than it now does.)
Depending on the calendar, the opening day of Pennsic may be as early as July 24 or as late as July 30. Because of leap years, the progression of starting dates is NOT consistent.
Use the tables below to help plan your Pennsic War experience.
Table #1 lists dates through Pennsic War Number 50, which will be 2021 CE and Anno Societatis 56.
Table #2 summarizes all possible starting and ending dates.
| Modern Year | AS Year | Pennsic War Number | Troll Opens | Troll Closes | Event Site Closes | Year Type | Notes |
|---|---|---|---|---|---|---|---|
| 2012 | 47 | PW 41 | 27-Jul | 10-Aug | 12-Aug | 4 | |
| 2013 | 48 | PW 42 | 19-Jul | 2-Aug | 4-Aug | WILL BE HELD ONE WEEK EARLIER due to another event at the campground | |
| 2014 | 49 | PW 43 | 25-Jul | 8-Aug | 10-Aug | 2 | |
| 2015 | 50 | PW 44 | 24-Jul | 7-Aug | 9-Aug | 1 | earliest Pennsic can be |
| 2016 | 51 | PW 45 | 29-Jul | 12-Aug | 14-Aug | 6 | |
| 2017 | 52 | PW 46 | 28-Jul | 11-Aug | 13-Aug | 5 | |
| 2018 | 53 | PW 47 | 27-Jul | 10-Aug | 12-Aug | 4 | |
| 2019 | 54 | PW 48 | 26-Jul | 9-Aug | 11-Aug | 3 | |
| 2020 | 55 | PW 49 | 24-Jul | 7-Aug | 9-Aug | 1 | earliest Pennsic can be |
| 2021 | 56 | PW 50 | 30-Jul | 13-Aug | 15-Aug | 7 | latest Pennsic can be |
| Start date (Friday) | End date (Sunday) | Year type |
|---|---|---|
| 24-Jul | 9-Aug | 1 (earliest that Pennsic can start) |
| 25-Jul | 10-Aug | 2 |
| 26-Jul | 11-Aug | 3 |
| 27-Jul | 12-Aug | 4 |
| 28-Jul | 13-Aug | 5 |
| 29-Jul | 14-Aug | 6 |
| 30-Jul | 15-Aug | 7 (latest that Pennsic can start) |