A display device which displays as an electronic program guide for all days of the week, hours and several weeks for a recording state of one or more series a list of data each of which a date and time is associated with, the display device comprising: a date and time acquisition section which acquires the date and time associated with a piece of the data; a three-dimensional display section (515, 517, 519) which displays, when a date and time is expressed by a combination of three kinds of time units with different lengths, a three-dimensional space having axes respectively indicating the three kinds of time units, and arranges an icon indicating the piece of the data at a position corresponding to the date and time acquired by the date and time acquisition section, on the three-dimensional space; and a two-dimensional display section (515, 516, 519) which displays a two-dimensional space having axes respectively indicating two kinds of time units including a first unit, which is the longest, among the three kinds of time units, and arranges a mark indicating that the data with which the date and time is associated exists at the position of the date and time acquired by the date and time acquisition section, on the two-dimensional space, wherein the data is program data which indicates a program and with which the delivery date and time of the program is associated; the date and time acquisition section acquires the delivery date and time; the three-dimensional display section displays a three-dimensional space having axes indicating time, day of week, and week, respectively, and arranges an icon indicating the program at a position corresponding to the delivery date and time acquired by the date and time acquisition section on the three-dimensional space; and the two-dimensional display section displays a two-dimensional space having axes indicating the day of week, and the week, respectively, and arranges, at a position corresponding to the day of the delivery date and time acquired by the date and time acquisition section, a mark indicating that a program delivered on the day exists. a date and time acquisition section which acquires the date and time associated with a piece of the data; a three-dimensional display section (515, 517, 519) which displays, when a date and time is expressed by a combination of three kinds of time units with different lengths, a three-dimensional space having axes respectively indicating the three kinds of time units, and arranges an icon indicating the piece of the data at a position corresponding to the date and time acquired by the date and time acquisition section, on the three-dimensional space; and a two-dimensional display section (515, 516, 519) which displays a two-dimensional space having axes respectively indicating two kinds of time units including a first unit, which is the longest, among the three kinds of time units, and arranges a mark indicating that the data with which the date and time is associated exists at the position of the date and time acquired by the date and time acquisition section, on the two-dimensional space, wherein the data is program data which indicates a program and with which the delivery date and time of the program is associated; the date and time acquisition section acquires the delivery date and time; the three-dimensional display section displays a three-dimensional space having axes indicating time, day of week, and week, respectively, and arranges an icon indicating the program at a position corresponding to the delivery date and time acquired by the date and time acquisition section on the three-dimensional space; and the two-dimensional display section displays a two-dimensional space having axes indicating the day of week, and the week, respectively, and arranges, at a position corresponding to the day of the delivery date and time acquired by the date and time acquisition section, a mark indicating that a program delivered on the day exists.