An intermittent fasting timer helps you track your fasting and eating windows. Choose your preferred schedule (16:8, 18:6, 20:4, or custom), set your start time, and the timer automatically tracks progress, remaining time, and completion. View your fasting history to stay on track.
Generate with the Intermittent Fasting Timer · Free Online Tool in three easy steps:
Intermittent fasting (IF) is an eating pattern that cycles between fasting and eating. Common schedules include 16:8 (fast 16h, eat 8h), 18:6 (fast 18h, eat 6h), 20:4 (fast 20h, eat 4h), and 5:2 (eat normally 5 days, restrict calories 2 days). During fasting, only water, black coffee, or unsweetened tea is allowed.
Yes! Stay hydrated by drinking plenty of water. You can also have black coffee (no sugar/cream) and unsweetened tea (green, black, herbal). Any drink with calories or sweeteners will break your fast.
Beginners should start with 12:12 or 14:10 and gradually work up to 16:8, which is the most popular and sustainable schedule. If you feel dizzy, weak, or unwell, adjust or consult a doctor.