The legal minimum is 30 natural days per full year (art. 38 ET); many agreements express it as 22 working days or improve it. Days accrue proportionally: days per year × months ÷ 12.
Educational estimate under article 38 of the Workers Statute; your collective agreement may improve the minimum and set its own counting rules. Pending vacation is only paid out in money when the contract ends; the finiquito calculator computes that amount.