diff --git a/src/poll.rs b/src/poll.rs
index 6fae87a..98af866 100644
--- a/src/poll.rs
+++ b/src/poll.rs
@@ -1,14 +1,21 @@
-use crate::toggl_api::TogglApiClient;
+use crate::entity::prelude::TimeEntry;
 use crate::entity::{client, project};
-use crate::toggl_api::types::{Project, Client, TogglReportQuery};
-use sea_orm::{DatabaseConnection, EntityTrait, QuerySelect};
-use tracing::instrument;
+use crate::toggl_api::types::{Client, Project, TogglReportQuery};
+use crate::toggl_api::TogglApiClient;
 use crate::utils;
 use crate::utils::day_exclusivity_condition;
+use chrono::{DateTime, FixedOffset};
+use sea_orm::DatabaseBackend::Postgres;
+use sea_orm::{
+    ConnectionTrait, DatabaseConnection, EntityOrSelect, EntityTrait, QueryOrder, QuerySelect,
+    Statement,
+};
+use std::ops::Sub;
+use tracing::instrument;
 
 #[tracing::instrument(skip(client, db))]
 pub async fn poll_job(client: TogglApiClient, db: DatabaseConnection, poll_period: u64) {
-    // Every 2h, poll the Toggl API for new time entries for today to cache them in the database
+    // Periodically poll the Toggl API for new time entries for today to cache them in the database
     let period = tokio::time::Duration::from_secs(poll_period);
 
     loop {
@@ -35,18 +42,22 @@ pub async fn perform_poll(
     client: &TogglApiClient,
     db: &DatabaseConnection,
 ) -> utils::Result<usize> {
-    let now = chrono::Utc::now();
-    let today_string = now
-        .date_naive()
-        .format("%Y-%m-%d")
-        .to_string();
+    let since = db
+        .query_one(Statement::from_string(
+            Postgres,
+            r#"select server_updated_at from time_entry order by server_updated_at desc limit 1"#,
+        ))
+        .await?
+        .map(|row| row.try_get_by::<DateTime<FixedOffset>, _>("server_updated_at"))
+        .transpose()?
+        .unwrap_or(
+            chrono::Utc::now()
+                .sub(chrono::Duration::days(1))
+                .fixed_offset(),
+        );
 
-    let report = client
-        .full_report(&TogglReportQuery {
-            start_date: Some(today_string.clone()),
-            end_date: Some(today_string.clone()),
-            ..Default::default()
-        })
+    let time_entries = client
+        .fetch_time_entries_modified_since(since.to_utc())
         .await?;
 
     let existing_project_ids = project::Entity::find()
@@ -56,7 +67,7 @@ pub async fn perform_poll(
         .all(db)
         .await?;
 
-    let new_projects = report
+    let new_projects = time_entries
         .iter()
         .filter_map(|entry| entry.project_id)
         .any(|project_id| !existing_project_ids.contains(&(project_id as i64)));
@@ -77,12 +88,13 @@ pub async fn perform_poll(
             .await?;
     }
 
-    crate::routes::cache_report(
+    crate::sync_service::cache_report(
         &db,
         &report,
-        Some(
-            day_exclusivity_condition(now.date_naive(), now.date_naive()),
-        ),
+        Some(day_exclusivity_condition(
+            now.date_naive(),
+            now.date_naive(),
+        )),
     )
     .await?;
     Ok(report.len())