let customDatesStyles = [];

  let startDate = moment();

  for (let i=0; i<6; i++) {

    customDatesStyles.push({

        startDate: startDate.clone(),

        dateNameStyle: styles.dateNameStyle,

        dateNumberStyle: styles.dateNumberStyle,

        // Random color...

        dateContainerStyle: { backgroundColor: `#${(`#00000${(Math.random() * (1 << 24) | 0).toString(16)}`).slice(-6)}` },

      });

  }

​