On this forum I found one suitable option, but it does not work correctly. Returns the time zone instead of the real time.
SPSntp - getting time from the internet:
Maybe there are such solutions to get the exact time from the NTP server, with an accuracy of 1/100-1/1000 seconds? Using separate similar applications for Android, I noticed that there the difference between the exact NTP time and the system time changes very much in time. If you do a check every 5 seconds, the difference is...