diff --git a/packages/std/src/set-interval/clock.ts b/packages/std/src/set-interval/clock.ts
index e7813a7..a5dda40 100644
--- a/packages/std/src/set-interval/clock.ts
+++ b/packages/std/src/set-interval/clock.ts
@@ -6,21 +6,26 @@ export const setClockInterval = (func: (...args: any[]) => any, interval: number
   let clockTimer: ReturnType<typeof setTimeout>
 
   const timerId = Math.floor(Math.random() * 1e10)
+  // Normalize once so invalid/negative intervals don't leak into scheduling math.
+  const safeInterval = Number.isFinite(interval) ? Math.max(0, interval) : 0
 
   const recurFunc = () => {
     func()
-    const realExecuteTime = new Date().getTime()
-    if (!start) {
+    const realExecuteTime = Date.now()
+    if (start == null) {
       start = realExecuteTime
     }
 
-    tick = tick || start
+    tick = tick ?? start
+    // Drift correction: keep long-term cadence close to target interval.
     const diff = realExecuteTime - tick
-    tick += interval
+    tick += safeInterval
 
     // Since setTimeout is not accurate, we need to adjust the interval
+    // Clamp negative delay to avoid Node/Electron TimeoutNegativeWarning.
+    const nextDelay = Math.max(0, safeInterval - diff)
 
-    clockTimer = setTimeout(recurFunc, interval - diff)
+    clockTimer = setTimeout(recurFunc, nextDelay)
     timerMap.set(timerId, clockTimer)
   }