UTC-GMT-ZULU Time, displays the local time, the date as well as the Zulu time, Military time and Astronomical time along with the current UTC time in a 8601 ISO Standard. UTC time (Coordinated Universal Time) was made the world standard for time in 1986, replacing Greenwich Mean Time (GMT).
New user interface.
When you tap the 12/24 button, the local time change to 12 or 24 hr format.
When you tap the Moon/Sun button, the app change the brightness.
When you tap the home button, the app stays open in the background.
When you tap the back button, the app closes.
JD: Julian Date
MJD: Modified Julian Date
Local time position ( Latitude,Longitude)