Cities & Time Zones
Manage cities and understand time-zone calculations.
Cities & Time Zones articles
Add a city
Search for and save another location in diClock.
Remove or reorder saved locations
Delete saved locations or change their order in World Clock and list widgets.
Understand time zones and date changes
Read offsets correctly when cities are on different calendar dates.
Check sunrise, sunset, and day length
View calculated sunrise, sunset, and daylight duration for a saved city and selected date.
Check moon phase, illumination, and rise and set times
Read lunar phase, illumination, moonrise, and moonset for a saved city and selected date.
Check the weather for a city
Find a city’s temperature, open detailed weather information, and check the forecast for another time.
Compare world clocks at another date or time
Use diClock’s date-and-time picker and vertical 24-hour slider to compare saved locations at another moment.
Find a suitable Contact Time
Compare preferred hours and daylight across two to five locations, then save or share a time.