Tashkent, Uzbekistan (UzDaily.com) -- Mobile communication operator Ucell congratulated citizens and guests of Uzbekistan with holy Ramadan month and offers new service RAMAZON TAQVIMI (Calendar of Ramadan). Ucell subscribers can activate RAMAZON TAQVIMI service with dialling *777#. Within a month, the users will get SMS messages with Iftorlik and Saharlik time for next three days. The service is free and all Ucell subscribers can use it.