diff --git a/git_time_tracker/__init__.py b/git_time_tracker/__init__.py
index c9daf55..6465963 100644
--- a/git_time_tracker/__init__.py
+++ b/git_time_tracker/__init__.py
@@ -1,4 +1,5 @@
 import argparse
+import sys
 import time
 import dataclasses
 import git
@@ -11,7 +12,7 @@ def parse_arguments():
     parser.add_argument('repositories', action='extend', nargs='+', type=Path)
     return parser.parse_args()
 
-@dataclasses.dataclass(frozen=True)
+@dataclasses.dataclass(frozen=True, order=True)
 class WorkSample:
     registered_at: datetime.datetime
     labels: Sequence[str]
@@ -19,15 +20,48 @@ class WorkSample:
 
 def get_samples_from_project(repo: git.Repo) -> Iterator[WorkSample]:
     labels = []
-    labels.append('project:git_time_tracker')
-
-    print(repo.remotes.origin.repo)
+    labels.append('project:'+repo.remotes.origin.url)
 
     # TODO: Branch on main or master or default
     for commit in repo.iter_commits('main'):
         yield WorkSample(datetime.datetime.fromtimestamp(commit.authored_date, tz=datetime.UTC), tuple(labels))
         yield WorkSample(datetime.datetime.fromtimestamp(commit.committed_date, tz=datetime.UTC), tuple(labels))
 
+DEFAULT_EST_TIME=datetime.timedelta(hours=1)
+
+ZERO_DURATION = datetime.timedelta(seconds = 0)
+
+def generate_report(samples: list[WorkSample]) -> Iterator[str]:
+
+    # Time spent per label
+    time_per_label: dict[str, datetime.timedelta] = {}
+    prev_time = datetime.datetime.fromtimestamp(0, datetime.UTC)
+    for sample in samples:
+        est_time: datetime.timedelta = DEFAULT_EST_TIME
+        est_time = min(sample.registered_at - prev_time, est_time)
+
+        for label in sample.labels:
+            time_per_label.setdefault(label,ZERO_DURATION)
+            time_per_label[label] += est_time
+
+        prev_time = sample.registered_at
+        del sample, est_time
+
+    time_and_label = [(duration, label) for label,duration in time_per_label.items()]
+    time_and_label.sort()
+
+    #
+    yield 'Time report:\n'
+    for (total_time, label) in time_and_label:
+        yield '  '
+        yield label
+        yield '  '
+        yield str(total_time)
+        yield '\n'
+        del label, total_time
+
+    yield '\n'
+
 def main():
     args = parse_arguments()
 
@@ -35,5 +69,9 @@ def main():
     for repo_path in args.repositories:
         repo = git.Repo(repo_path)
         shared_time_stamps |= set(get_samples_from_project(repo))
-    print('derp', shared_time_stamps)
+
+    shared_time_stamps = sorted(shared_time_stamps)
+
+    for t in generate_report(shared_time_stamps):
+        sys.stdout.write(t)