180 Days From Today

180 Days Ago

The same count in the other direction. 180 Days Ago was:

Calculate any other date

Change the number or the unit to work out any interval forwards or backwards. Need 180 days from a date other than today? Set the start date and the count runs from there instead.

Why people look up 180 days from today

A hundred and eighty days is close to half a year but not identical to it, and official rules that specify 180 days mean 180 days.

• Passport validity requirements for international travel
• Visa duration limits and re-entry rules
• Extended warranty and guarantee periods
• Half-year financial and compliance deadlines

Is 180 days the same as 6 months?

A hundred and eighty days assumes six thirty-day months, but six calendar months is anywhere from 181 to 184 days. Border officials and visa rules apply the number as written, so the two-day gap is the kind of detail that decides an entry refusal.

Today the gap is concrete. 180 Days From Today is Saturday, 20 March 2027, while 6 months from today is Sunday, 21 March 2027 — a difference of 1 day later.

The 180-day line in US immigration law

The most consequential 180-day threshold is the one that triggers a re-entry bar to the United States. USCIS describes the ground of inadmissibility as applying where "you accrued more than 180 days but less than 1 year of unlawful presence during a single stay in the United States on or after April 1, 1997". Someone in that position who leaves is barred from seeking admission again for three years; at one year or more of unlawful presence the bar becomes ten years.

Note the wording: more than 180 days. Day 180 itself does not trigger the bar; day 181 does. That is a single day's difference, and it is exactly the kind of margin where confusing "six months" with "180 days" changes the outcome. The date above is the 180th day for a count that starts tomorrow.

Source: USCIS — Unlawful Presence and Inadmissibility

Schengen counts 180 days; the UK counts 6 months

The two units sit side by side in travel rules, and they are measured differently. The Schengen short-stay limit is 90 days in any rolling 180-day window, counted in days. The UK, by contrast, tells Standard Visitors "You can usually stay in the UK for up to 6 months" — a calendar count that ends on the same day-of-month it began. Six months starting 1 July ends on 1 January, 184 days later; six months starting 1 February ends on 1 August, 181 days later. Neither is 180.

Sources: European Commission — Short-stay calculator · GOV.UK — Visit the UK as a Standard Visitor

How far apart 180 days and half a year can be

Half of 365 is 182.5, so 180 days is already two and a half days short of a true half-year. Counting "six months" from the first of a month gives between 181 days (starting in January or February of an ordinary year) and 184 days (starting in March, July or August). The largest possible gap between the two readings is therefore four days, and it is never zero. The comparison a few lines above gives the exact figure for a count starting today.

How the count works

Counting starts from tomorrow, not today, which is how notice periods and deadlines are normally read. Weekends and public holidays are included, so this is a calendar count rather than a working-day one.