diff --git a/daily_top.py b/daily_top.py
index c6f9103..a693336 100644
--- a/daily_top.py
+++ b/daily_top.py
@@ -7,6 +7,9 @@ import sys
 import urllib.request
 import urllib.error
 from datetime import datetime, timezone
+from zoneinfo import ZoneInfo
+
+_TZ_PRAGUE = ZoneInfo("Europe/Prague")
 
 def load_env(path=".env"):
     env = {}
@@ -83,7 +86,11 @@ def main():
     tag_counts = {}
     candidates = []
     media_count = {"image": 0, "video": 0, "gifv": 0, "audio": 0, "total": 0}
+    hourly_count = {str(h): 0 for h in range(24)}
     for toot in timeline:
+        created_at = datetime.fromisoformat(toot["created_at"].replace("Z", "+00:00"))
+        local_hour = str(created_at.astimezone(_TZ_PRAGUE).hour)
+        hourly_count[local_hour] += 1
         for att in toot.get("media_attachments", []):
             att_type = att.get("type", "")
             media_count["total"] += 1
@@ -158,6 +165,7 @@ def main():
             "tags": tags,
             "top_links": top_links,
             "media_count": media_count,
+            "hourly_count": hourly_count,
         }, f, ensure_ascii=False, indent=2)
 
     print(f"Uloženo: {out_path} ({len(timeline)} tootů načteno, {len(top)} top, {len(tags)} hashtagů)")
diff --git a/weekly_report.py b/weekly_report.py
index 1819657..98718e2 100644
--- a/weekly_report.py
+++ b/weekly_report.py
@@ -128,7 +128,7 @@ def format_month_cs(dt):
 
 def build_monthly_toot(measures_data, tags, top_tooty, date_to, prev_stats, instance_info,
                        total_count=0, top_author=None, newest_account=None, top_links=None,
-                       media_count=None):
+                       media_count=None, hourly_count=None):
     stats = {m["key"]: int(m["total"]) for m in measures_data}
     new_users = stats.get("new_users", 0)
     active_users = stats.get("active_users", 0)
@@ -180,6 +180,12 @@ def build_monthly_toot(measures_data, tags, top_tooty, date_to, prev_stats, inst
     else:
         media_line = ""
 
+    if hourly_count and any(hourly_count.values()):
+        peak_h = max(hourly_count, key=lambda h: hourly_count[h])
+        peak_line = f"⏰ Nejaktivnější čas: {int(peak_h):02d}:00–{(int(peak_h) + 1) % 24:02d}:00 ({hourly_count[peak_h]} tootů)\n"
+    else:
+        peak_line = ""
+
     return (
         f"🐘 Měsíční přehled Mamutovo.cz\n"
         f"📅 {format_month_cs(date_to)}\n"
@@ -189,6 +195,7 @@ def build_monthly_toot(measures_data, tags, top_tooty, date_to, prev_stats, inst
         f"📝 Interakce: {interactions}{fmt_diff(interactions, 'interactions')}\n"
         f"📝 Tooty měsíce: {total_count}\n"
         f"{media_line}"
+        f"{peak_line}"
         f"\n"
         f"📊 Celkem uživatelů: {user_count}\n"
         f"🌐 Federovaných instancí: {domain_count}\n"
@@ -203,7 +210,7 @@ def build_monthly_toot(measures_data, tags, top_tooty, date_to, prev_stats, inst
 
 def build_toot(measures_data, tags, top_tooty, date_from, date_to, week_number,
                total_count=0, top_author=None, newest_account=None, user_count=0, top_links=None,
-               prev_stats=None, media_count=None):
+               prev_stats=None, media_count=None, hourly_count=None):
     stats = {m["key"]: int(m["total"]) for m in measures_data}
     new_users = stats.get("new_users", 0)
     active_users = stats.get("active_users", 0)
@@ -249,6 +256,12 @@ def build_toot(measures_data, tags, top_tooty, date_from, date_to, week_number,
     else:
         media_line = ""
 
+    if hourly_count and any(hourly_count.values()):
+        peak_h = max(hourly_count, key=lambda h: hourly_count[h])
+        peak_line = f"⏰ Nejaktivnější čas: {int(peak_h):02d}:00–{(int(peak_h) + 1) % 24:02d}:00 ({hourly_count[peak_h]} tootů)\n"
+    else:
+        peak_line = ""
+
     date_from_str = format_date_cs(date_from)
     date_to_str = format_date_cs(date_to)
     year = date_to.year
@@ -262,6 +275,7 @@ def build_toot(measures_data, tags, top_tooty, date_from, date_to, week_number,
         f"📝 Interakce: {interactions}{fmt_diff(interactions, 'interactions')}\n"
         f"📝 Tooty týdne: {total_count}\n"
         f"{media_line}"
+        f"{peak_line}"
         f"\n"
         f"🔥 Populární hashtagy:\n"
         f"{hashtags}\n"
@@ -376,6 +390,21 @@ def load_media_count_from_data(date_to, days):
             pass
     return totals
 
+def load_hourly_count_from_data(date_to, days):
+    totals = {str(h): 0 for h in range(24)}
+    for i in range(days):
+        day = (date_to - timedelta(days=i)).strftime("%Y-%m-%d")
+        path = os.path.join("data", f"{day}.json")
+        try:
+            with open(path, encoding="utf-8") as f:
+                file_data = json.load(f)
+            hc = file_data.get("hourly_count", {})
+            for h in totals:
+                totals[h] += hc.get(h, 0)
+        except FileNotFoundError:
+            pass
+    return totals
+
 def load_newest_account_from_data(date_to, days):
     for i in range(days):
         day = (date_to - timedelta(days=i)).strftime("%Y-%m-%d")
@@ -447,9 +476,10 @@ def main():
         newest_account = load_newest_account_from_data(date_to, 30)
         top_links = load_top_links_from_data(date_to, 30)
         media_count = load_media_count_from_data(date_to, 30)
+        hourly_count = load_hourly_count_from_data(date_to, 30)
         toot = build_monthly_toot(
             measures_data, tags, top_tooty, date_to, prev_stats, instance_info,
-            total_count, top_author, newest_account, top_links, media_count,
+            total_count, top_author, newest_account, top_links, media_count, hourly_count,
         )
 
         if args.dry_run:
@@ -514,9 +544,11 @@ def main():
     newest_account = load_newest_account_from_data(date_to, 7)
     top_links = load_top_links_from_data(date_to, 7)
     media_count = load_media_count_from_data(date_to, 7)
+    hourly_count = load_hourly_count_from_data(date_to, 7)
     toot = build_toot(
         measures_data, tags, top_tooty, date_from, date_to, week_number,
         total_count, top_author, newest_account, user_count, top_links, prev_stats, media_count,
+        hourly_count,
     )
 
     if args.dry_run: