diff --git a/lib/model/entry/extensions/props.dart b/lib/model/entry/extensions/props.dart
index 8953e04c7..1b231ea59 100644
--- a/lib/model/entry/extensions/props.dart
+++ b/lib/model/entry/extensions/props.dart
@@ -10,6 +10,7 @@ import 'package:aves/ref/unicode.dart';
 import 'package:aves/services/common/services.dart';
 import 'package:aves/theme/text.dart';
 import 'package:aves/utils/android_file_utils.dart';
+import 'package:aves/utils/time_utils.dart';
 
 extension ExtraAvesEntryProps on AvesEntry {
   bool get isValid => !isMissingAtPath && sizeBytes != 0 && width > 0 && height > 0;
@@ -85,7 +86,7 @@ extension ExtraAvesEntryProps on AvesEntry {
   int? get trashDaysLeft {
     final dateMillis = trashDetails?.dateMillis;
     if (dateMillis == null) return null;
-    return DateTime.fromMillisecondsSinceEpoch(dateMillis).add(TrashMixin.binKeepDuration).difference(DateTime.now()).inDays;
+    return DateTime.fromMillisecondsSinceEpoch(dateMillis).add(TrashMixin.binKeepDuration).difference(DateTime.now()).inHumanDays;
   }
 
   // storage
diff --git a/lib/utils/time_utils.dart b/lib/utils/time_utils.dart
index cabb53787..1b877a4ef 100644
--- a/lib/utils/time_utils.dart
+++ b/lib/utils/time_utils.dart
@@ -26,6 +26,12 @@ extension ExtraDateTime on DateTime {
   DateTime addDays(int days) => DateTime(year, month, day + days, hour, minute, second, millisecond, microsecond);
 }
 
+extension ExtraDuration on Duration {
+  // using `Duration.inDays` may yield surprising results when crossing DST boundaries
+  // because a day will not have 24 hours, so we use the following approximation instead
+  int get inHumanDays => (inMicroseconds / Duration.microsecondsPerDay).round();
+}
+
 final epoch = DateTime.fromMillisecondsSinceEpoch(0, isUtc: true);
 
 // Overflowing timestamps that are supposed to be in milliseconds
diff --git a/lib/widgets/collection/collection_grid.dart b/lib/widgets/collection/collection_grid.dart
index 6a1fcf042..02c2c11f5 100644
--- a/lib/widgets/collection/collection_grid.dart
+++ b/lib/widgets/collection/collection_grid.dart
@@ -14,6 +14,7 @@ import 'package:aves/model/source/section_keys.dart';
 import 'package:aves/ref/mime_types.dart';
 import 'package:aves/theme/durations.dart';
 import 'package:aves/theme/icons.dart';
+import 'package:aves/utils/time_utils.dart';
 import 'package:aves/widgets/collection/app_bar.dart';
 import 'package:aves/widgets/collection/draggable_thumb_label.dart';
 import 'package:aves/widgets/collection/grid/list_details_theme.dart';
@@ -673,7 +674,7 @@ class _CollectionScrollViewState extends State<_CollectionScrollView> with Widge
               final oldest = lastKey.date;
               if (newest != null && oldest != null) {
                 final locale = context.l10n.localeName;
-                final dateFormat = (newest.difference(oldest).inDays).abs() > 365 ? DateFormat.y(locale) : DateFormat.MMM(locale);
+                final dateFormat = (newest.difference(oldest).inHumanDays).abs() > 365 ? DateFormat.y(locale) : DateFormat.MMM(locale);
                 String? lastLabel;
                 sectionLayouts.forEach((section) {
                   final date = (section.sectionKey as EntryDateSectionKey).date;
diff --git a/lib/widgets/stats/date/axis.dart b/lib/widgets/stats/date/axis.dart
index af043e92b..01bca2095 100644
--- a/lib/widgets/stats/date/axis.dart
+++ b/lib/widgets/stats/date/axis.dart
@@ -34,7 +34,7 @@ class TimeAxisSpec {
 
     first = first.date;
     last = last.date;
-    final rangeDays = last.difference(first).inDays;
+    final rangeDays = last.difference(first).inHumanDays;
     final delta = max(1, (rangeDays / 5).ceil());
 
     List<charts.TickSpec<DateTime>> ticks = [];
diff --git a/lib/widgets/stats/date/histogram.dart b/lib/widgets/stats/date/histogram.dart
index 0debd691b..4147dda96 100644
--- a/lib/widgets/stats/date/histogram.dart
+++ b/lib/widgets/stats/date/histogram.dart
@@ -5,6 +5,7 @@ import 'package:aves/model/entry/entry.dart';
 import 'package:aves/model/entry/sort.dart';
 import 'package:aves/model/filters/date.dart';
 import 'package:aves/theme/durations.dart';
+import 'package:aves/utils/time_utils.dart';
 import 'package:aves/widgets/common/extensions/build_context.dart';
 import 'package:aves/widgets/common/fx/transitions.dart';
 import 'package:aves/widgets/common/identity/aves_filter_chip.dart';
@@ -56,7 +57,7 @@ class _HistogramState extends State<Histogram> with AutomaticKeepAliveClientMixi
     var firstDate = entriesByDateDescending.lastWhereOrNull((entry) => entry.bestDate != null)?.bestDate;
 
     if (lastDate != null && firstDate != null) {
-      final rangeDays = lastDate.difference(firstDate).inDays;
+      final rangeDays = lastDate.difference(firstDate).inHumanDays;
       if (rangeDays > 1) {
         if (rangeDays <= 31) {
           _level = DateLevel.ymd;
@@ -113,10 +114,10 @@ class _HistogramState extends State<Histogram> with AutomaticKeepAliveClientMixi
     late DateTime Function(DateTime date) incrementDate;
     switch (level) {
       case DateLevel.ymd:
-        xCount = xRange.inDays;
+        xCount = xRange.inHumanDays;
         incrementDate = (date) => DateTime(date.year, date.month, date.day + 1);
       case DateLevel.ym:
-        xCount = (xRange.inDays / 30.5).round();
+        xCount = (xRange.inHumanDays / 30.5).round();
         incrementDate = (date) => DateTime(date.year, date.month + 1);
       default:
         xCount = lastDate.year - firstDate.year;