diff --git a/QHF-March-2021.md b/QHF-March-2021.md
index f09f520..c3d1891 100644
--- a/QHF-March-2021.md
+++ b/QHF-March-2021.md
@@ -38,7 +38,7 @@ No | Name | Role | Contact
 
 ## Input and Mergin: collect data, sync, and collaborate with ease
 
-**Time:** 26 March 2021 [08h00 UTC](https://www.timeanddate.com/worldclock/fixedform.html "click this link to find out the time in your local time zone").
+**Time:** 26 March 2021 [08h00 UTC](https://www.timeanddate.com/worldclock/fixedtime.html?year=2021&month=3&day=26&hour=08&min=00&sec=0&msg=QGISOpenDay-InputandMergin).
 
 **Duration:** 1 hour
 
@@ -60,7 +60,7 @@ The app comes with a built-in synchronisation tool, called [Mergin service](http
 
 ## Using QGIS, Input app, Mergin, and Metabase to conduct a WASH survey in the Waterberg
 
-**Time:** 26 March 2021 [09h00 UTC](https://www.timeanddate.com/worldclock/fixedform.html "click this link to find out the time in your local time zone").
+**Time:** 26 March 2021 [09h00 UTC](https://www.timeanddate.com/worldclock/fixedtime.html?year=2021&month=3&day=26&hour=09&min=00&sec=0&msg=QGISOpenDay-UsingQgis,Input,MerginandMetabaseintheWaterberg).
 
 **Duration:** 1 hour
 
@@ -74,7 +74,7 @@ A practical example of how QGIS, the Input app, Mergin, mergin-db-sync and Metab
 
 ## Using QGIS and a laser cutter to make 3D contour models
 
-**Time:** 26 March 2021 [10h30 UTC](https://www.timeanddate.com/worldclock/fixedform.html "click this link to find out the time in your local time zone").
+**Time:** 26 March 2021 [10h30 UTC](https://www.timeanddate.com/worldclock/fixedtime.html?year=2021&month=3&day=26&hour=10&min=30&sec=0&msg=QGISOpenDay-UsingQGISandalasercuttertomake3Dcontourmodels).
 
 **Duration:** 1 hour
 
@@ -91,7 +91,7 @@ A bit of fun using QGIS to generate contour maps and other features and then con
 
 ## Seamless fieldwork with QField & QFieldCloud
 
-**Time:** 26 March 2021 [12h00 UTC](https://www.timeanddate.com/worldclock/fixedform.html "click this link to find out the time in your local time zone").
+**Time:** 26 March 2021 [12h00 UTC](https://www.timeanddate.com/worldclock/fixedtime.html?year=2021&month=3&day=26&hour=12&min=00&sec=0&msg=QGISOpenDay-SeamlessfieldworkwithQField&QFieldCloud).
 
 **Duration:** 1 hour