diff --git a/content/calendar/meetup-315958850.md b/content/calendar/meetup-315958850.md
index c0e23d477..6c06bade8 100644
--- a/content/calendar/meetup-315958850.md
+++ b/content/calendar/meetup-315958850.md
@@ -1,6 +1,8 @@
 ---
 meetupEventId: "315958850"
-startDate: "2026-09-09"
+meetupSource: meetup
+startDate: "2026-09-09T17:30:00+02:00"
+endDate: "2026-09-09T19:30:00+02:00"
 title: "Swiss PSUG 09/2026"
 externalUrl: "https://www.meetup.com/swiss-powershell-user-group/events/315958850/"
 virtual: true
diff --git a/content/calendar/meetup-316283278.md b/content/calendar/meetup-316283278.md
index f4d2665cd..5263c58f4 100644
--- a/content/calendar/meetup-316283278.md
+++ b/content/calendar/meetup-316283278.md
@@ -1,7 +1,8 @@
 ---
 meetupEventId: "316283278"
 meetupSource: meetup
-startDate: "2026-09-02"
+startDate: "2026-09-02T20:00:00-04:00"
+endDate: "2026-09-02T22:00:00-04:00"
 title: "NeoVIM for PowerShell!"
 externalUrl: "https://www.meetup.com/research-triangle-powershell-users-group/events/316283278/"
 virtual: true
diff --git a/content/calendar/meetup-316366917.md b/content/calendar/meetup-316366917.md
index 35589b8b9..85cc46d59 100644
--- a/content/calendar/meetup-316366917.md
+++ b/content/calendar/meetup-316366917.md
@@ -1,7 +1,8 @@
 ---
 meetupEventId: "316366917"
 meetupSource: meetup
-startDate: "2026-09-10"
+startDate: "2026-09-10T19:00:00+02:00"
+endDate: "2026-09-10T21:00:00+02:00"
 title: "PowerShell UserGroup InnSalzach Meeting – 10th September 2026"
 externalUrl: "https://www.meetup.com/powershell-usergroup-inn-salzach/events/316366917/"
 virtual: true
diff --git a/content/calendar/meetup-316550698.md b/content/calendar/meetup-316550698.md
index 16fbecbb4..272984b78 100644
--- a/content/calendar/meetup-316550698.md
+++ b/content/calendar/meetup-316550698.md
@@ -1,7 +1,8 @@
 ---
 meetupEventId: "316550698"
 meetupSource: meetup
-startDate: "2026-09-30"
+startDate: "2026-09-30T17:30:00+02:00"
+endDate: "2026-09-30T21:00:00+02:00"
 title: "AperOps @ Swiss IT Forum - 30 Septembre 2026"
 externalUrl: "https://www.meetup.com/swiss-powershell-user-group/events/316550698/"
 virtual: false
diff --git a/content/calendar/meetup-316550875.md b/content/calendar/meetup-316550875.md
index 7818636bb..b2c7f4546 100644
--- a/content/calendar/meetup-316550875.md
+++ b/content/calendar/meetup-316550875.md
@@ -1,7 +1,8 @@
 ---
 meetupEventId: "316550875"
 meetupSource: meetup
-startDate: "2026-09-30"
+startDate: "2026-09-30T11:15:00+02:00"
+endDate: "2026-09-30T12:15:00+02:00"
 title: "L’IA et PowerShell au service du business"
 externalUrl: "https://www.meetup.com/swiss-powershell-user-group/events/316550875/"
 virtual: false
diff --git a/content/calendar/meetup-316581155.md b/content/calendar/meetup-316581155.md
index eb814d11b..db4982ac8 100644
--- a/content/calendar/meetup-316581155.md
+++ b/content/calendar/meetup-316581155.md
@@ -1,7 +1,8 @@
 ---
 meetupEventId: "316581155"
 meetupSource: meetup
-startDate: "2026-10-01"
+startDate: "2026-10-01T19:00:00-04:00"
+endDate: "2026-10-01T20:00:00-04:00"
 title: "Adding Value to Your PowerShell Functions w/ Jeffery Hicks"
 externalUrl: "https://www.meetup.com/powershellohio/events/316581155/"
 virtual: true