Wash., D.C., thoroughfare
Else clues• A Midwest time: Abbr.
• Astron. clock setting
• Astronomical observation std.
• Big Ben's setting; Abbr.
• Big Ben's winter setting: Abbr.
• Canada's sales tax: abbr.
• Clock std.
• Controversial Canadian levy, for short
• D.C. road
• Prime meridian setting (abbr.)
• Prime meridian std.
• Setting at 0 degrees long.
• Standard setting at 0
• Standard setting at 0 degrees long.