The best replacement for utc is gmt.

The best alternatives to utc are rated as following:
★★★★★  gmt
★★★  est
★★  pst
★★  cst
★★  gps time
★★  edt
★  zulu
★  local time
★  central time
★  cdt
★  pdt
★  gps
★  gmt time
  zulu time
  utk
  mst
  eastern time
  uct
  unix time
  alabama
  mtsu
  gmt difference
  coordinated universal time
  cst time
  pacific time
  localtime
  etc
  localtime linux
  cet
  gmt java

Your alternative for utc is not listed? Suggest!
Speaking about utc, one probably shouldn't forget about ist.

Other search terms related to utc and their ratings are:
★★★★★ ist
★ time zones
You have in mind a companion for utc and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of utc in all years. Click on graph for more.
utc
gmt
est