diff --git a/Project.toml b/Project.toml
index c58ebba..4c796c4 100644
--- a/Project.toml
+++ b/Project.toml
@@ -1,7 +1,7 @@
 name = "TimeSpans"
 uuid = "bb34ddd2-327f-4c4a-bfb0-c98fc494ece1"
 authors = ["Beacon Biosignals, Inc."]
-version = "1.1.0"
+version = "1.2.0"
 
 [deps]
 ArrowTypes = "31f734f8-188a-4ce0-8406-c8a06bd891cd"
diff --git a/src/TimeSpans.jl b/src/TimeSpans.jl
index 4e62856..dcf4b90 100644
--- a/src/TimeSpans.jl
+++ b/src/TimeSpans.jl
@@ -399,6 +399,18 @@ function invert_spans(spans, parent_span)
     return gaps
 end
 
+"""
+    intersect(span_1, span_2)
+
+Returns a timespan that consists of the intersection of two timespans.
+
+Throws an `ArgumentError` if there is not overlap between the spans.
+"""
+function intersect(a, b)
+    overlaps(a, b) || throw(ArgumentError("provided spans must overlap"))
+    return TimeSpan(max(start(a), start(b)), min(stop(a), stop(b)))
+end
+
 #####
 ##### Package extensions (TODO: remove this section once we require Julia 1.9+)
 #####
diff --git a/test/runtests.jl b/test/runtests.jl
index 9140e13..cf41267 100644
--- a/test/runtests.jl
+++ b/test/runtests.jl
@@ -264,6 +264,18 @@ end
     @test test_vec == []
 end
 
+@testset "intersect" begin
+    test_span_1 = TimeSpan(10, 100)
+    test_span_2 = TimeSpan(20, 80)
+    test_span_3 = TimeSpan(80, 120)
+    non_intersecting_span = TimeSpan(101, 150)
+
+    @test TimeSpans.intersect(test_span_1, test_span_2) == test_span_2
+    @test TimeSpans.intersect(test_span_1, test_span_3) == TimeSpan(80, 100)
+
+    @test_throws ArgumentError TimeSpans.intersect(test_span_1, non_intersecting_span)
+end
+
 @testset "extensions" begin
     @testset "ArrowTypes" begin
         using ArrowTypes