diff --git a/frappe/tests/test_utils.py b/frappe/tests/test_utils.py
index 9c5a59bc82..ef4407685d 100644
--- a/frappe/tests/test_utils.py
+++ b/frappe/tests/test_utils.py
@@ -64,6 +64,7 @@ from frappe.utils.data import (
 	duration_to_seconds,
 	evaluate_filters,
 	expand_relative_urls,
+	format_duration,
 	get_datetime,
 	get_first_day_of_week,
 	get_time,
@@ -784,6 +785,24 @@ class TestDateUtils(IntegrationTestCase):
 		self.assertEqual(duration_to_seconds("110m"), 110 * 60)
 		self.assertEqual(duration_to_seconds("110m"), 110 * 60)
 
+	def test_format_duration(self):
+		# Basic positive durations
+		self.assertEqual(format_duration(0), "")
+		self.assertEqual(format_duration(45.7), "45s")
+		self.assertEqual(format_duration(90.9), "1m 30s")
+		self.assertEqual(format_duration(3600), "1h")
+		self.assertEqual(format_duration("12885"), "3h 34m 45s")
+		self.assertEqual(format_duration(86400), "1d")
+		self.assertEqual(format_duration(86401), "1d 1s")
+
+		# Negative durations
+		self.assertEqual(format_duration(-45.3), "-45s")
+		self.assertEqual(format_duration(-12885), "-3h 34m 45s")
+
+		# hide_days parameter
+		self.assertEqual(format_duration(86400, hide_days=True), "24h")
+		self.assertEqual(format_duration(90061, hide_days=True), "25h 1m 1s")
+
 	def test_get_timespan_date_range(self):
 		supported_timespans = [
 			"last week",
diff --git a/frappe/utils/data.py b/frappe/utils/data.py
index 9bc90895ac..ad96ca0589 100644
--- a/frappe/utils/data.py
+++ b/frappe/utils/data.py
@@ -797,38 +797,37 @@ def format_datetime(datetime_string: DateTimeLikeObject, format_string: str | No
 	return formatted_datetime
 
 
-def format_duration(seconds, hide_days=False):
-	"""Convert the given duration value in float(seconds) to duration format.
+def format_duration(seconds: float | int, hide_days: bool = False) -> str:
+	"""Convert the given duration value in seconds to duration format.
 
-	example: convert 12885 to '3h 34m 45s' where 12885 = seconds in float
+	example:
+	convert 12885 to '3h 34m 45s' where 12885 = seconds in float
+	        -12885 to '-3h 34m 45s'
 	"""
-
 	seconds = cint(seconds)
+	negative = seconds < 0
+	seconds = abs(seconds)
 
-	total_duration = {
-		"days": math.floor(seconds / (3600 * 24)),
-		"hours": math.floor(seconds % (3600 * 24) / 3600),
-		"minutes": math.floor(seconds % 3600 / 60),
-		"seconds": math.floor(seconds % 60),
-	}
+	days = (seconds // (3600 * 24)) if not hide_days else 0
+	hours = ((seconds % (3600 * 24)) // 3600) if not hide_days else (seconds // 3600)
+	minutes = (seconds % 3600) // 60
+	seconds = seconds % 60
 
-	if hide_days:
-		total_duration["hours"] = math.floor(seconds / 3600)
-		total_duration["days"] = 0
+	total_duration = []
 
-	duration = ""
-	if total_duration:
-		if total_duration.get("days"):
-			duration += str(total_duration.get("days")) + "d"
-		if total_duration.get("hours"):
-			duration += " " if len(duration) else ""
-			duration += str(total_duration.get("hours")) + "h"
-		if total_duration.get("minutes"):
-			duration += " " if len(duration) else ""
-			duration += str(total_duration.get("minutes")) + "m"
-		if total_duration.get("seconds"):
-			duration += " " if len(duration) else ""
-			duration += str(total_duration.get("seconds")) + "s"
+	if days:
+		total_duration.append(f"{days}d")
+	if hours:
+		total_duration.append(f"{hours}h")
+	if minutes:
+		total_duration.append(f"{minutes}m")
+	if seconds:
+		total_duration.append(f"{seconds}s")
+
+	duration = " ".join(total_duration)
+
+	if negative and duration:
+		duration = "-" + duration
 
 	return duration