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diff --git a/src/coursebox/core/__pycache__/info.cpython-38.pyc b/src/coursebox/core/__pycache__/info.cpython-38.pyc
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diff --git a/src/coursebox/core/__pycache__/info_paths.cpython-38.pyc b/src/coursebox/core/__pycache__/info_paths.cpython-38.pyc
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diff --git a/src/coursebox/core/__pycache__/projects_info.cpython-38.pyc b/src/coursebox/core/__pycache__/projects_info.cpython-38.pyc
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diff --git a/src/coursebox/core/course.py b/src/coursebox/core/course.py
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diff --git a/src/coursebox/core/info.py b/src/coursebox/core/info.py
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index 91618ac828d314bb4ed24a2b9f1ab6426fdf5cdd..3e351d2e1c1e4d47f2779f2baf6ccd57d0935a4c
--- a/src/coursebox/core/info.py
+++ b/src/coursebox/core/info.py
@@ -470,14 +470,27 @@ def class_information(verbose=False,
 
     d['sections'] = sections
 
-    current_lecture = -2
+    # current_lecture = -2
+    from datetime import timedelta
+    # l['date'] - datetime.timedelta(days=7)
+
+    # Long before firrst.
+    # if d['lectures'][0]['date'] - timedelta(days=7) < datetime.now():
+    #     current_lecture = -1 # More than a week to semester start.
+    current_lecture = -1
+    if d['lectures'][0]['date'] - timedelta(days=7) < datetime.now():
+        current_lecture = 0 # Less than a week to start.
 
     for k, l in enumerate(d['lectures']):
-        current_lecture = k - 1
-        if l['date'] >= datetime.now():
+        # current_lecture = l['number']
+        if datetime.now() >= l['date']:
+            current_lecture = l['number']
+        else:
             break
 
     d['current_lecture_number'] = current_lecture
+    d['last_held_lecture'] = current_lecture
+
     return d
 
 def _update_with_core_conf(d):
diff --git a/src/coursebox/core/info_paths.py b/src/coursebox/core/info_paths.py
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diff --git a/src/coursebox/core/projects_plagiarism.py b/src/coursebox/core/projects_plagiarism.py
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diff --git a/src/coursebox/material/__init__.py b/src/coursebox/material/__init__.py
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diff --git a/src/coursebox/material/_extra_info.pkl b/src/coursebox/material/_extra_info.pkl
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diff --git a/sym b/sym
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diff --git a/ym b/ym
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