diff --git a/tests/e2e/_helpers.py b/tests/e2e/_helpers.py
index f231b406..de376ca3 100644
--- a/tests/e2e/_helpers.py
+++ b/tests/e2e/_helpers.py
@@ -6,12 +6,30 @@
 
 import sqlite3
 import uuid
+from datetime import date, timedelta
 
 
 def rid() -> str:
     return uuid.uuid4().hex[:8]
 
 
+def next_sunday_iso() -> str:
+    """Return the ISO date of a Sunday at least 7 days from today.
+
+    The open-shift, swap, and decline-reopen flows seed a "Sunday 10am
+    Service" event and expect it to appear on `/v/open` (which filters
+    out past events). Hard-coded dates rot the suite as time passes —
+    this keeps the seed event safely in the future on every run.
+    """
+    today = date.today()
+    # weekday(): Monday=0 ... Sunday=6. Days until next Sunday after at
+    # least a 7-day cushion.
+    days_until_sunday = (6 - today.weekday()) % 7
+    if days_until_sunday < 7:
+        days_until_sunday += 7
+    return (today + timedelta(days=days_until_sunday)).isoformat()
+
+
 def signup_admin(
     page, base_url, *, org="Hope Chapel", name="Admin Dana", email=None, password="HopePass123!"
 ):
diff --git a/tests/e2e/test_decline_reopen.py b/tests/e2e/test_decline_reopen.py
index ac33ae65..a012b135 100644
--- a/tests/e2e/test_decline_reopen.py
+++ b/tests/e2e/test_decline_reopen.py
@@ -8,7 +8,14 @@
 
 import pytest
 
-from tests.e2e._helpers import accept_invitation, invite_token, no_js_errors, rid, signup_admin
+from tests.e2e._helpers import (
+    accept_invitation,
+    invite_token,
+    next_sunday_iso,
+    no_js_errors,
+    rid,
+    signup_admin,
+)
 
 pytestmark = pytest.mark.e2e
 
@@ -39,7 +46,7 @@ def test_decline_reopens_slot(live_server, new_context, page, db_path):
     page.click("button:has-text('New event')")
     page.wait_for_selector("#ev_type", state="visible")
     page.fill("#ev_type", "Sunday 10am Service")
-    page.fill("#ev_date", "2026-06-07")
+    page.fill("#ev_date", next_sunday_iso())
     page.fill("#ev_start", "10:00")
     page.fill("#ev_end", "11:30")
     page.fill("input[name=role_name]", "volunteer")
diff --git a/tests/e2e/test_event_roster_fill.py b/tests/e2e/test_event_roster_fill.py
index 6e0c6fc8..d180b3f8 100644
--- a/tests/e2e/test_event_roster_fill.py
+++ b/tests/e2e/test_event_roster_fill.py
@@ -4,7 +4,14 @@
 
 import pytest
 
-from tests.e2e._helpers import accept_invitation, invite_token, no_js_errors, rid, signup_admin
+from tests.e2e._helpers import (
+    accept_invitation,
+    invite_token,
+    next_sunday_iso,
+    no_js_errors,
+    rid,
+    signup_admin,
+)
 
 pytestmark = pytest.mark.e2e
 
@@ -28,7 +35,7 @@ def test_admin_fills_roster_gap(live_server, new_context, page, db_path):
     page.click("button:has-text('New event')")
     page.wait_for_selector("#ev_type", state="visible")
     page.fill("#ev_type", "Sunday 10am Service")
-    page.fill("#ev_date", "2026-06-07")
+    page.fill("#ev_date", next_sunday_iso())
     page.fill("#ev_start", "10:00")
     page.fill("#ev_end", "11:30")
     page.fill("input[name=role_name]", "usher")
diff --git a/tests/e2e/test_open_shifts.py b/tests/e2e/test_open_shifts.py
index aae41b0b..09a935c2 100644
--- a/tests/e2e/test_open_shifts.py
+++ b/tests/e2e/test_open_shifts.py
@@ -4,7 +4,14 @@
 
 import pytest
 
-from tests.e2e._helpers import accept_invitation, invite_token, no_js_errors, rid, signup_admin
+from tests.e2e._helpers import (
+    accept_invitation,
+    invite_token,
+    next_sunday_iso,
+    no_js_errors,
+    rid,
+    signup_admin,
+)
 
 pytestmark = pytest.mark.e2e
 
@@ -32,7 +39,7 @@ def test_volunteer_claims_open_shift(live_server, new_context, page, db_path):
     page.click("button:has-text('New event')")
     page.wait_for_selector("#ev_type", state="visible")
     page.fill("#ev_type", "Sunday 10am Service")
-    page.fill("#ev_date", "2026-06-07")
+    page.fill("#ev_date", next_sunday_iso())
     page.fill("#ev_start", "10:00")
     page.fill("#ev_end", "11:30")
     page.fill("input[name=role_name]", "volunteer")
diff --git a/tests/e2e/test_swap_marketplace.py b/tests/e2e/test_swap_marketplace.py
index bc09196b..a8eaa280 100644
--- a/tests/e2e/test_swap_marketplace.py
+++ b/tests/e2e/test_swap_marketplace.py
@@ -4,7 +4,14 @@
 
 import pytest
 
-from tests.e2e._helpers import accept_invitation, invite_token, no_js_errors, rid, signup_admin
+from tests.e2e._helpers import (
+    accept_invitation,
+    invite_token,
+    next_sunday_iso,
+    no_js_errors,
+    rid,
+    signup_admin,
+)
 
 pytestmark = pytest.mark.e2e
 
@@ -36,7 +43,7 @@ def test_cover_a_swap_end_to_end(live_server, new_context, page, db_path):
     page.click("button:has-text('New event')")
     page.wait_for_selector("#ev_type", state="visible")
     page.fill("#ev_type", "Sunday 10am Service")
-    page.fill("#ev_date", "2026-06-07")
+    page.fill("#ev_date", next_sunday_iso())
     page.fill("#ev_start", "10:00")
     page.fill("#ev_end", "11:30")
     page.fill("input[name=role_name]", "volunteer")