diff --git a/src/ui.ts b/src/ui.ts
index d2114ca..64b47e5 100644
--- a/src/ui.ts
+++ b/src/ui.ts
@@ -158,6 +158,8 @@ export class TimetrackerUi {
                 </div>
                 <div class="tt-actions">
                   <button id="tt-active-start-save">Save active start</button>
+                  <button id="tt-active-start-now">Reset to now</button>
+                  <button id="tt-active-start-last-end">Use last end</button>
                 </div>
               </div>`
               : ""}
@@ -277,6 +279,16 @@ export class TimetrackerUi {
         return;
       }
 
+      if (target.id === "tt-active-start-now") {
+        this.resetActiveStartToNow();
+        return;
+      }
+
+      if (target.id === "tt-active-start-last-end") {
+        this.setActiveStartToLastEnd();
+        return;
+      }
+
       if (target.id === "tt-edit-save") {
         this.saveEditDraft();
         return;
@@ -452,6 +464,45 @@ export class TimetrackerUi {
     }
   }
 
+  private resetActiveStartToNow(): void {
+    try {
+      this.service.updateActiveStart(Date.now());
+      this.activeStartDraft = null;
+      this.isEditingActiveStart = false;
+      this.render();
+      logseq.App.showMsg("Active start reset to now.", "success");
+    } catch (error) {
+      logseq.App.showMsg((error as Error).message, "error");
+    }
+  }
+
+  private setActiveStartToLastEnd(): void {
+    const entries = this.service.getState().entries;
+    if (!entries.length) {
+      logseq.App.showMsg("No entries available.", "warning");
+      return;
+    }
+
+    const latestEndedAtEpochMs = entries.reduce((latest, entry) => {
+      return Math.max(latest, entry.endedAtEpochMs);
+    }, Number.NEGATIVE_INFINITY);
+
+    if (!Number.isFinite(latestEndedAtEpochMs)) {
+      logseq.App.showMsg("No valid end timestamp found.", "error");
+      return;
+    }
+
+    try {
+      this.service.updateActiveStart(latestEndedAtEpochMs);
+      this.activeStartDraft = null;
+      this.isEditingActiveStart = false;
+      this.render();
+      logseq.App.showMsg("Active start set to last end time.", "success");
+    } catch (error) {
+      logseq.App.showMsg((error as Error).message, "error");
+    }
+  }
+
   private escapeHtml(value: string): string {
     return value
       .replace(/&/g, "&amp;")