Kathmandu doesn't observe daylight saving time but Columbus does. DST in Columbus started on 10 March 2019 and will end on 03 November 2019. Once DST ends in Columbus the time difference between Kathmandu and Columbus will be -10:45 hours.
Time zone: NPT - Nepal Time (UTC/GMT +5:45)Time zone difference / Flight distance
Time zone: EDT - Eastern Daylight Time (UTC/GMT -4)DST started on 10 March 2019DST will end on 03 November 2019Time zone difference / Flight distance