The line slope refers to the steepness of a line. Without any additional information, it is not possible to determine the line slope of "06 30" as it does not appear to represent a line equation or data points.
A time line is a number line of years
Where does -3.3go on the number line
whole number line
Line plot is a synonym to a number line with marks and numbers,
What's My Line - 1950 1965-06-06 was released on: USA: 6 June 1965
What's My Line - 1950 1960-06-26 was released on: USA: 26 June 1960
What's My Line - 1950 1958-06-22 was released on: USA: 22 June 1958
What's My Line - 1950 1962-05-06 was released on: USA: 6 May 1962
What's My Line - 1950 1962-06-03 was released on: USA: 3 June 1962
What's My Line - 1950 1962-06-10 was released on: USA: 10 June 1962
What's My Line - 1950 1962-06-17 was released on: USA: 17 June 1962
What's My Line - 1950 1962-06-24 was released on: USA: 24 June 1962
What's My Line - 1950 1957-01-06 was released on: USA: 6 January 1957
What's My Line - 1950 1957-06-02 was released on: USA: 2 June 1957
What's My Line - 1950 1957-06-09 was released on: USA: 9 June 1957
What's My Line - 1950 1957-06-16 was released on: USA: 16 June 1957