diff --git a/content/katedra/pracovnici/battistova/index.md b/content/katedra/pracovnici/battistova/index.md
index 1fd491d..e37a21d 100644
--- a/content/katedra/pracovnici/battistova/index.md
+++ b/content/katedra/pracovnici/battistova/index.md
@@ -7,6 +7,6 @@ group = "vedeni"
 role = "Studijní referent, Garant elektronického zápisu pro KITTV"
 email = "eva.battistova@pedf.cuni.cz"
 phone = "+420 221 900 141"
-time = "Pondělí 12:00 – 13:00"
+sis = "02781"
 +++
 
diff --git a/content/katedra/pracovnici/cernochova/index.md b/content/katedra/pracovnici/cernochova/index.md
index 391262a..2012db6 100644
--- a/content/katedra/pracovnici/cernochova/index.md
+++ b/content/katedra/pracovnici/cernochova/index.md
@@ -7,7 +7,7 @@ group = "ucitele"
 role = "Zahraniční referent"
 email = "miroslava.cernochova@pedf.cuni.cz"
 phone = "+420 221 900 238"
-time = "Středa 12:00 – 13:00"
+sis = "02778"
 +++
 
 ## Vzdělání
diff --git a/content/katedra/pracovnici/fialova/index.md b/content/katedra/pracovnici/fialova/index.md
index 912dff6..05cc46f 100644
--- a/content/katedra/pracovnici/fialova/index.md
+++ b/content/katedra/pracovnici/fialova/index.md
@@ -6,6 +6,6 @@ weight = 0
 group = "ucitele"
 email = "irena.fialova@pedf.cuni.cz"
 phone = "+420 221 900 240"
-time = "Čtvrtek 13:00 – 14:00"
+sis = "02775"
 +++
 
diff --git a/content/katedra/pracovnici/jerabek/index.md b/content/katedra/pracovnici/jerabek/index.md
index 612f1fb..336359e 100644
--- a/content/katedra/pracovnici/jerabek/index.md
+++ b/content/katedra/pracovnici/jerabek/index.md
@@ -6,7 +6,7 @@ weight = 0
 group = "ucitele"
 email = "tomas.jerabek@pedf.cuni.cz"
 phone = "+420 221 900 327"
-time = "Čtvrtek 13:00 – 14:00"
+sis = "21531"
 +++
 
 ## Vědecká činnost
diff --git a/content/katedra/pracovnici/lapes/index.md b/content/katedra/pracovnici/lapes/index.md
index 5e8e563..4fb50bb 100644
--- a/content/katedra/pracovnici/lapes/index.md
+++ b/content/katedra/pracovnici/lapes/index.md
@@ -6,6 +6,6 @@ weight = 0
 group = "ucitele"
 email = "jakub.lapes@pedf.cuni.cz"
 phone = "+420 221 900 239"
-time = "Úterý 9:45 – 10:45"
+sis = "18014"
 +++
 
diff --git a/content/katedra/pracovnici/leipert/index.md b/content/katedra/pracovnici/leipert/index.md
index 8b4e619..1ee28bd 100644
--- a/content/katedra/pracovnici/leipert/index.md
+++ b/content/katedra/pracovnici/leipert/index.md
@@ -6,6 +6,6 @@ weight = 0
 group = "ucitele"
 email = "jiri.leipert@pedf.cuni.cz"
 phone = "+420 221 900 235"
-time = "Středa 12:00 – 13:00"
+sis = "02772"
 +++
 
diff --git a/content/katedra/pracovnici/novak/index.md b/content/katedra/pracovnici/novak/index.md
index 90d5122..737cfcf 100644
--- a/content/katedra/pracovnici/novak/index.md
+++ b/content/katedra/pracovnici/novak/index.md
@@ -6,6 +6,6 @@ weight = 0
 group = "ucitele"
 email = "jaroslav.novak@pedf.cuni.cz"
 phone = "+420 221 900 242"
-time = "Čtvrtek 12:00 – 13:00"
+sis = "02777"
 +++
 
diff --git a/content/katedra/pracovnici/prochazka/index.md b/content/katedra/pracovnici/prochazka/index.md
index 10d96db..747d17a 100644
--- a/content/katedra/pracovnici/prochazka/index.md
+++ b/content/katedra/pracovnici/prochazka/index.md
@@ -7,6 +7,6 @@ group = "vedeni"
 role = "Zástupce vedoucího katedry"
 email = "josef.prochazka@pedf.cuni.cz"
 phone = "+420 221 900 327"
-time = "Pondělí 14:30 – 15:30"
+sis = "02868"
 +++
 
diff --git a/content/katedra/pracovnici/rambousek/index.md b/content/katedra/pracovnici/rambousek/index.md
index 3b252cb..e3f941b 100644
--- a/content/katedra/pracovnici/rambousek/index.md
+++ b/content/katedra/pracovnici/rambousek/index.md
@@ -6,6 +6,6 @@ weight = 0
 group = "ucitele"
 email = "vladimir.rambousek@pedf.cuni.cz"
 phone = "+420 221 900 235"
-time = "Pondělí 12:00 – 13:00"
+sis = "02543"
 +++
 
diff --git a/content/katedra/pracovnici/reitmayer/index.md b/content/katedra/pracovnici/reitmayer/index.md
index c0ee5c6..f26092f 100644
--- a/content/katedra/pracovnici/reitmayer/index.md
+++ b/content/katedra/pracovnici/reitmayer/index.md
@@ -6,6 +6,6 @@ weight = 0
 group = "ucitele"
 email = "ladislav.reitmayer@pedf.cuni.cz"
 phone = "+420 221 900 141"
-time = "Pondělí 12:00 – 13:00"
+sis = "02782"
 +++
 
diff --git a/content/katedra/pracovnici/simak/index.md b/content/katedra/pracovnici/simak/index.md
index 82177ed..0a7dcf3 100644
--- a/content/katedra/pracovnici/simak/index.md
+++ b/content/katedra/pracovnici/simak/index.md
@@ -5,5 +5,6 @@ weight = 0
 [extra]
 group = "ucitele"
 email = "boris.simak@pedf.cuni.cz"
+sis = "74551"
 +++
 
diff --git a/content/katedra/pracovnici/stejskal/index.md b/content/katedra/pracovnici/stejskal/index.md
index 52615ab..4de27df 100644
--- a/content/katedra/pracovnici/stejskal/index.md
+++ b/content/katedra/pracovnici/stejskal/index.md
@@ -7,6 +7,6 @@ group = "ucitele"
 role = "Správce serverů"
 email = "martin.stejskal@pedf.cuni.cz"
 phone = "+420 221 900 239"
-time = "Čtvrtek 12:00 – 13:00"
+sis = "02785"
 +++
 
diff --git a/content/katedra/pracovnici/stipek/index.md b/content/katedra/pracovnici/stipek/index.md
index 4670ee7..a1c2450 100644
--- a/content/katedra/pracovnici/stipek/index.md
+++ b/content/katedra/pracovnici/stipek/index.md
@@ -7,6 +7,6 @@ group = "vedeni"
 role = "Vedoucí katedry"
 email = "jirka.stipek@gmail.com"
 phone = "+420 221 900 327"
-time = "Čtvrtek 10:30 – 11:30"
+sis = "02869"
 +++
 
diff --git a/content/katedra/pracovnici/tobolarova/index.md b/content/katedra/pracovnici/tobolarova/index.md
index 015923c..1739976 100644
--- a/content/katedra/pracovnici/tobolarova/index.md
+++ b/content/katedra/pracovnici/tobolarova/index.md
@@ -6,6 +6,6 @@ weight = 0
 group = "ucitele"
 email = "petra.tobolarova@pedf.cuni.cz"
 phone = "+420 221 900 240"
-time = "Čtvrtek 13:00 – 14:00"
+sis = "10632"
 +++
 
diff --git a/content/katedra/pracovnici/tochacek/index.md b/content/katedra/pracovnici/tochacek/index.md
index bb5f6f8..95cc612 100644
--- a/content/katedra/pracovnici/tochacek/index.md
+++ b/content/katedra/pracovnici/tochacek/index.md
@@ -6,6 +6,6 @@ weight = 0
 group = "ucitele"
 email = "daniel.tochacek@pedf.cuni.cz"
 phone = "+420 221 900 239"
-time = "Čtvrtek 11:10 – 11:40"
+sis = "02586"
 +++
 
diff --git a/content/katedra/pracovnici/vankova/index.md b/content/katedra/pracovnici/vankova/index.md
index 768a8bb..c00430b 100644
--- a/content/katedra/pracovnici/vankova/index.md
+++ b/content/katedra/pracovnici/vankova/index.md
@@ -7,6 +7,6 @@ group = "vedeni"
 role = "Tajemnice"
 email = "petra.vankova@pedf.cuni.cz"
 phone = "+420 221 900 140"
-time = "Úterý 11:30 – 12:30"
+sis = "33246"
 +++
 
diff --git a/templates/macros.html b/templates/macros.html
index d768951..5410739 100644
--- a/templates/macros.html
+++ b/templates/macros.html
@@ -162,7 +162,7 @@
 	{% if profile.extra.phone %}
 		<div><a href="tel:{{ profile.extra.phone }}">{{ profile.extra.phone }}</a></div>
 	{% endif %}
-	{% if profile.extra.time %}
-		<div title="Konzultační hodiny">{{ profile.extra.time | safe }}</div>
+	{% if profile.extra.sis %}
+		<a href="https://is.cuni.cz/studium/rozvrhng/roz_ucitel_macro.php?fak=11410&ucitel={{ profile.extra.sis }}">Rozvrh</a>
 	{% endif %}
 {% endmacro %}