Abstract: Provided are a core-shell catalyst with improved durability and a manufacturing method thereof including irradiating ultrasonic waves to a solution containing a reducing solvent, a noble metal precursor, a transition metal precursor, and a carbon support to form a cavity due to the irradiation of the ultra-waves and forming transition metal precursor core and noble metal precursor shell particles due to a difference in vapor pressure; and nitriding the transition metal precursor core and noble metal precursor shell particles at a temperature of 450 to 550° C. and a pressure condition of 60 to 100 bar under a gaseous nitrogen source, in which the transition metal may be any one selected from the group consisting of Y, La, Ce, Zn, and Mn or combinations thereof.

Abstract: According to various disclosed embodiments, a method for setting a date and time by an electronic device may include: displaying a user interface that includes a plurality of time points arranged at regular intervals along a circumferential direction in an edge area of a substantially circular dial and including a date change point, a first icon positioned at a first point among the plurality of time points, and a second icon positioned at a second point among the plurality of time points; receiving an input for at least one of the first icon and the second icon; displaying movement of the at least one of the first icon and the second icon on the plurality of time points based on the received input; and displaying a date and time corresponding to a movement direction and movement location of the at least one of the first icon and the second icon.

Abstract: According to various disclosed embodiments, a method for setting a date and time by an electronic device may include: displaying a user interface that includes a plurality of time points arranged at regular intervals along a circumferential direction in an edge area of a substantially circular dial and including a date change point, a first icon positioned at a first point among the plurality of time points, and a second icon positioned at a second point among the plurality of time points; receiving an input for at least one of the first icon and the second icon; displaying movement of the at least one of the first icon and the second icon on the plurality of time points based on the received input; and displaying a date and time corresponding to a movement direction and movement location of the at least one of the first icon and the second icon.

Abstract: According to various disclosed embodiments, a method for setting a date and time by an electronic device may include: displaying a user interface that includes a plurality of time points arranged at regular intervals along a circumferential direction in an edge area of a substantially circular dial and including a date change point, a first icon positioned at a first point among the plurality of time points, and a second icon positioned at a second point among the plurality of time points; receiving an input for at least one of the first icon and the second icon; displaying movement of the at least one of the first icon and the second icon on the plurality of time points based on the received input; and displaying a date and time corresponding to a movement direction and movement location of the at least one of the first icon and the second icon.

Abstract: According to various disclosed embodiments, a method for setting a date and time by an electronic device may include: displaying a user interface that includes a plurality of time points arranged at regular intervals along a circumferential direction in an edge area of a substantially circular dial and including a date change point, a first icon positioned at a first point among the plurality of time points, and a second icon positioned at a second point among the plurality of time points; receiving an input for at least one of the first icon and the second icon; displaying movement of the at least one of the first icon and the second icon on the plurality of time points based on the received input; and displaying a date and time corresponding to a movement direction and movement location of the at least one of the first icon and the second icon.

Abstract: According to various disclosed embodiments, a method for setting a date and time by an electronic device may include: displaying a user interface that includes a plurality of time points arranged at regular intervals along a circumferential direction in an edge area of a substantially circular dial and including a date change point, a first icon positioned at a first point among the plurality of time points, and a second icon positioned at a second point among the plurality of time points; receiving an input for at least one of the first icon and the second icon; displaying movement of the at least one of the first icon and the second icon on the plurality of time points based on the received input; and displaying a date and time corresponding to a movement direction and movement location of the at least one of the first icon and the second icon.

Abstract: According to various disclosed embodiments, a method for setting a date and time by an electronic device may include: displaying a user interface that includes a plurality of time points arranged at regular intervals along a circumferential direction in an edge area of a substantially circular dial and including a date change point, a first icon positioned at a first point among the plurality of time points, and a second icon positioned at a second point among the plurality of time points; receiving an input for at least one of the first icon and the second icon; displaying movement of the at least one of the first icon and the second icon on the plurality of time points based on the received input; and displaying a date and time corresponding to a movement direction and movement location of the at least one of the first icon and the second icon.

Abstract: According to various disclosed embodiments, a method for setting a date and time by an electronic device may include: displaying a user interface that includes a plurality of time points arranged at regular intervals along a circumferential direction in an edge area of a substantially circular dial and including a date change point, a first icon positioned at a first point among the plurality of time points, and a second icon positioned at a second point among the plurality of time points; receiving an input for at least one of the first icon and the second icon; displaying movement of the at least one of the first icon and the second icon on the plurality of time points based on the received input; and displaying a date and time corresponding to a movement direction and movement location of the at least one of the first icon and the second icon.

Abstract: A schedule managing method capable of automatically generating schedule data using data extracted from an image, and an apparatus thereof are provided. The schedule managing method preferably includes: setting at least one recognition region within an image; extracting data from the set recognition region; categorizing the extracted data according to a predetermined categorization rule; and generating schedule data using the categorized data.