Arrival day counts
Indonesian Immigration describes B1 stay as up to 30 days counted from the arrival date. For planning, count the date you enter as day 1.
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Indonesia Entry Tool
Count your stay days before the exit date does the math for you. Arrival day is day 1, past arrival dates are fine, and this checker is for practical planning, not legal advice.
The checker will show the day count, basic expiry date, extension reminder and a calendar view.
Calendar
The orange window is the official extension timing zone for B1 / VOA and C1 first-extension planning. The red dates are the part where you should stop pretending this is still casual admin.
How to read this
Indonesian Immigration describes B1 stay as up to 30 days counted from the arrival date. For planning, count the date you enter as day 1.
Immigration says stay-permit extensions can be submitted from 14 days before expiry until before expiry. The 7-day marker is our common-sense point to stop waiting.
If your passport stamp, eVisa account or Immigration officer gives a specific stay date, use that. This tool helps you avoid dumb planning math, not override Immigration.
Next reads
Sources
Sources checked May 15, 2026. Recheck before travel because visa rules, portals, extension handling and fees can change.