diff --git a/data/23/events/ethprague/index.toml b/data/23/events/ethprague/index.toml
index a2ab0f4..b8440da 100644
--- a/data/23/events/ethprague/index.toml
+++ b/data/23/events/ethprague/index.toml
@@ -37,12 +37,13 @@ telegram = "https://t.me/ethprague"
 
 [[segments]]
 date = "2023-06-09"
-times = "09:00-19:00"
+times = "18:00-21:00"
+title = "Hackathon Opening"
 ecap = 600
 
 [[segments]]
 date = "2023-06-09"
-times = "19:00-09:00"
+times = "21:00-09:00"
 ecap = 100
 title = "Night hacking"
 venues = ["paralelni-polis"]
diff --git a/data/23/events/praguedefi/index.toml b/data/23/events/praguedefi/index.toml
index 59567d8..7fc3233 100644
--- a/data/23/events/praguedefi/index.toml
+++ b/data/23/events/praguedefi/index.toml
@@ -6,8 +6,8 @@ chains = ["ethereum"]
 org = "DuckTape/Paralelní Polis"
 dri = ""
 poc = "Steve Fau, Dan"
-date = "2023-06-06"
-days = 3
+date = "2023-06-08"
+days = 2
 #times = ""
 venues = ["paralelni-polis", "la-fabrika"]
 languages = ["english"]