diff --git a/inc/include.php b/inc/include.php
index a2b55db..81185b7 100644
--- a/inc/include.php
+++ b/inc/include.php
@@ -27,9 +27,9 @@ use \pvv\side\Agenda;
 $agenda = new \pvv\side\Agenda([
   // new \pvv\side\social\NerdepitsaActivity,
   // new \pvv\side\social\AnimekveldActivity,
-  // new \pvv\side\social\HackekveldActivity,
-  // new \pvv\side\social\BrettspillActivity,
-  // new \pvv\side\social\DriftkveldActivity,
+  new \pvv\side\social\HackekveldActivity,
+  new \pvv\side\social\BrettspillActivity,
+  new \pvv\side\social\DriftkveldActivity,
   new \pvv\side\DBActivity($pdo),
 ]);
 
diff --git a/src/pvv/side/social/brettspillactivity.php b/src/pvv/side/social/brettspillactivity.php
index 55c7fb5..7dd2c1b 100644
--- a/src/pvv/side/social/brettspillactivity.php
+++ b/src/pvv/side/social/brettspillactivity.php
@@ -13,7 +13,7 @@ class BrettspillActivity implements Activity {
 		$date = $date->setTime(16, 15, 0);
 		if ($date->format('N') != 7)
 			return $this->nextDate($date->add(new DateInterval('P1D')));
-		if ($date->format('W') % 2)
+		if ($date->format('W') % 2 - 1)
 			return $this->nextDate($date->add(new DateInterval('P7D')));
 		return $date;
 	}
@@ -24,7 +24,7 @@ class BrettspillActivity implements Activity {
 		$date = $date->setTime(16, 15, 0);
 		if ($date->format('N') != 7)
 			return $this->prevDate($date->sub(new DateInterval('P1D')));
-		if ($date->format('W') % 2)
+		if ($date->format('W') % 2 - 1)
 			return $this->prevDate($date->sub(new DateInterval('P7D')));
 
 		return $date;
diff --git a/src/pvv/side/social/driftkveldactivity.php b/src/pvv/side/social/driftkveldactivity.php
index 9627723..dd1a367 100644
--- a/src/pvv/side/social/driftkveldactivity.php
+++ b/src/pvv/side/social/driftkveldactivity.php
@@ -13,7 +13,7 @@ class DriftkveldActivity implements Activity {
 		$date = $date->setTime(18, 15, 0);
 		if ($date->format('N') != 6)
 			return $this->nextDate($date->add(new DateInterval('P1D')));
-		if ($date->format('W') % 2)
+		if ($date->format('W') % 2 - 1)
 			return $this->nextDate($date->add(new DateInterval('P7D')));
 		return $date;
 	}
@@ -24,7 +24,7 @@ class DriftkveldActivity implements Activity {
 		$date = $date->setTime(18, 15, 0);
 		if ($date->format('N') != 6)
 			return $this->prevDate($date->sub(new DateInterval('P1D')));
-		if ($date->format('W') % 2)
+		if ($date->format('W') % 2 - 1)
 			return $this->prevDate($date->sub(new DateInterval('P7D')));
 		return $date;
 	}
diff --git a/src/pvv/side/social/hackekveldactivity.php b/src/pvv/side/social/hackekveldactivity.php
index c317d99..7b27319 100644
--- a/src/pvv/side/social/hackekveldactivity.php
+++ b/src/pvv/side/social/hackekveldactivity.php
@@ -13,7 +13,7 @@ class HackekveldActivity implements Activity {
 		$date = $date->setTime(16, 15, 0);
 		if ($date->format('N') != 6)
 			return $this->nextDate($date->add(new DateInterval('P1D')));
-		if ($date->format('W') % 2 - 1)
+		if ($date->format('W') % 2)
 			return $this->nextDate($date->add(new DateInterval('P7D')));
 		return $date;
 	}
@@ -24,7 +24,7 @@ class HackekveldActivity implements Activity {
 		$date = $date->setTime(18, 15, 0);
 		if ($date->format('N') != 6)
 			return $this->prevDate($date->sub(new DateInterval('P1D')));
-		if ($date->format('W') % 2 - 1)
+		if ($date->format('W') % 2)
 			return $this->prevDate($date->sub(new DateInterval('P7D')));
 		return $date;
 	}