diff --git a/env.example b/env.example
index db1ff1f..01b938f 100644
--- a/env.example
+++ b/env.example
@@ -11,8 +11,8 @@ HEARTH_DB_PATH=/app/data/hearth.db
 # Scheduling
 HEARTH_TIMEZONE=America/Toronto
 HEARTH_POLL_INTERVAL_SECONDS=300
-HEARTH_BUSINESS_HOURS_START=8
-HEARTH_BUSINESS_HOURS_END=20
+HEARTH_BUSINESS_HOURS_START=10
+HEARTH_BUSINESS_HOURS_END=17
 HEARTH_ACTIVE_WEEKDAYS_ONLY=true
 
 # Comma-separated domains allowed to *start* new warmup threads. Personal
diff --git a/hearth/settings.py b/hearth/settings.py
index feee6f1..192d2fa 100644
--- a/hearth/settings.py
+++ b/hearth/settings.py
@@ -18,8 +18,8 @@ class Settings(BaseSettings):
 
     timezone: str = Field(default="America/Toronto", validation_alias="HEARTH_TIMEZONE")
     poll_interval_seconds: int = Field(default=300, validation_alias="HEARTH_POLL_INTERVAL_SECONDS")
-    business_hours_start: int = Field(default=8, validation_alias="HEARTH_BUSINESS_HOURS_START")
-    business_hours_end: int = Field(default=20, validation_alias="HEARTH_BUSINESS_HOURS_END")
+    business_hours_start: int = Field(default=10, validation_alias="HEARTH_BUSINESS_HOURS_START")
+    business_hours_end: int = Field(default=17, validation_alias="HEARTH_BUSINESS_HOURS_END")
     active_weekdays_only: bool = Field(default=True, validation_alias="HEARTH_ACTIVE_WEEKDAYS_ONLY")
 
     daily_cap_start: int = Field(default=2, validation_alias="HEARTH_DAILY_CAP_START")