From 600b3a106df0d81c7fc335da39c8bace9743a0bc Mon Sep 17 00:00:00 2001
From: mitanshhh <mitansh.jadhav2007@gmail.com>
Date: Thu, 4 Sep 2025 20:29:01 +0530
Subject: [PATCH 1/3] TST: Align 24h resample with D using origin=start_day
 (GH62200)

---
 pandas/tests/resample/test_datetime_index.py | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/pandas/tests/resample/test_datetime_index.py b/pandas/tests/resample/test_datetime_index.py
index 7b02b62bfd10c..706e709feac3a 100644
--- a/pandas/tests/resample/test_datetime_index.py
+++ b/pandas/tests/resample/test_datetime_index.py
@@ -844,6 +844,19 @@ def test_resample_origin_prime_freq(unit):
     resampled = ts.resample("17min", origin="2000-01-01").mean()
     tm.assert_index_equal(resampled.index, exp_rng)
 
+def test_resample_24h_matches_D_with_start_day_origin():
+    # GH62200: "D" (calendar days) vs "24h" (tick-based).
+    # Explicit origin="start_day" ensures "24h" aligns with "D".
+    index = pd.date_range("2000-01-01", "2000-02-15", freq="h").union(
+        pd.date_range("2000-04-15", "2000-05-15", freq="h")
+    )
+    s = pd.Series(range(len(index)), index=index)
+
+    left = s.resample("D", label="right", closed="right").count()
+    right = s.resample("24h", label="right", closed="right", origin="start_day").count()
+
+    pd.testing.assert_series_equal(left, right)
+
 
 def test_resample_origin_with_tz(unit):
     # GH 31809

From 30a84f228ee289c9d0a5fb214efe34847dab652e Mon Sep 17 00:00:00 2001
From: mitanshhh <mitansh.jadhav2007@gmail.com>
Date: Thu, 4 Sep 2025 20:35:34 +0530
Subject: [PATCH 2/3] Ignore virtual environment

---
 .gitignore | Bin 2004 -> 2161 bytes
 1 file changed, 0 insertions(+), 0 deletions(-)

diff --git a/.gitignore b/.gitignore
index d951f3fb9cbad26c2b72d9eb0427bb25c2ca0633..a07fcec5da52c4c45eb0a26b37de6cc58baa5a8f 100644
GIT binary patch
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From e09e05c6f9b69346ac374857dc8d1e0257b6bec0 Mon Sep 17 00:00:00 2001
From: mitanshhh <mitansh.jadhav2007@gmail.com>
Date: Thu, 4 Sep 2025 20:38:10 +0530
Subject: [PATCH 3/3] TST: Align 24h resample with D using origin=start_day
 (GH62200)

---
 pandas/tests/resample/test_datetime_index.py | 1 +
 1 file changed, 1 insertion(+)

diff --git a/pandas/tests/resample/test_datetime_index.py b/pandas/tests/resample/test_datetime_index.py
index 706e709feac3a..44717ceeb45d3 100644
--- a/pandas/tests/resample/test_datetime_index.py
+++ b/pandas/tests/resample/test_datetime_index.py
@@ -855,6 +855,7 @@ def test_resample_24h_matches_D_with_start_day_origin():
     left = s.resample("D", label="right", closed="right").count()
     right = s.resample("24h", label="right", closed="right", origin="start_day").count()
 
+
     pd.testing.assert_series_equal(left, right)