Today is the thirteenth day, one week and six days of the omer.

הַיּוֹם שְׁלֹשָׁה עָשָׂר יוֹם שֶׁהֵם שָׁבֽוּעַ אֶחָד וְשִׁשָּׁה יָמִים לָעֹֽמֶר

Hayom sh'loshah asar yom sheheim shavua ekhad v'shishah yamim la'omer.

Yesod Sh’b’Gevurah

And there was evening and there was morning, the third day. (Genesis 1:13)