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The Japanese word

二十日

is pronounced
hatsuka | はつか
means
twentieth day of the month
Examples:
今日は金曜日、十月二十日だ。
kyō wa kinyōbi, jūgatsu ni jū nichi da.
Today is Friday, the twentieth of October.
卒業式は三月二十日に行われます。
sotsugyū shiki wa sangatsu ni jū nichi ni okonawa re masu.
The graduation ceremony will take place on March 20th.
私は二十日までに帰るつもりです。
watashi wa ni jū nichi made ni kaeru tsumori desu.
I expect to be back by the 20th.
Examples sourced from tatoeba.org