| When compared to | 16 |
| When commuters are often stuck in traffic | 41 |
| When Commons grills the Prime Minister | 38 |
| When Columbus made his last voyage | 34 |
| When collegians descend on Florida | 34 |
| When collegians descend on Cancún | 36 |
| When college kids go to Florida | 31 |
| When coins came into general use | 32 |
| When coins came into common use | 31 |
| When cocktails may be served | 28 |
| When coal, gas and oil are delivered? | 37 |
| When clocks are set back for the end of daylight saving time | 60 |
| When clocks are set ahead: Abbr. | 32 |
| When clocks are changed back from D.S.T. in the fall | 52 |
| When Clinton was prez | 21 |
| When Claudius was born | 22 |
| When church bells ring | 22 |
| When Christmas comes in Polynésie | 36 |
| When Christianity was "conceived"? | 44 |
| When Charlie Chaplin thrived | 28 |
| When challenged | 15 |
| When Central Park closes | 24 |
| When Cavaradossi is shot | 24 |
| When Casca struck | 17 |
| When Carmen sings the "Habanera" | 43 |
| When Carmen meets Don José | 29 |
| When Carmen is stabbed | 22 |
| When Carmen dies | 16 |
| When car headlights get turned on | 33 |
| When Captain Corcoran got seasick | 33 |
| When Cannes heats up | 20 |
| When candidates campaign? | 25 |
| When Canadians celebrate Thanksgiving | 37 |
| When Canada Day is | 18 |
| When Canada celebrates Thanksgiving: Abbr. | 42 |
| When Canada celebrates la Fete de la Reine | 42 |
| When Can. has Thanksgiving | 26 |
| When Can. celebrates Thanksgiving | 33 |
| When Caesar was killed | 22 |
| When Caesar is warned | 21 |
| When Caesar is told to beware | 29 |
| When Caesar asks "Et tu, Brute?" | 42 |
| When business is slow | 21 |
| When business is busiest | 24 |
| When bunnies abound | 19 |
| When bulls crow? | 16 |
| When Brutus was brutal | 22 |
| When Brutus struck | 18 |
| When Brutus sees Caesar's ghost | 35 |
| When Brutus did it | 18 |
| When Brutus became brutal | 25 |
| When brunch may start | 21 |
| When brunch may begin | 21 |
| When brunch may be served | 25 |
| When brunch may be scheduled | 28 |
| When Browning wanted to be in England | 37 |
| When bronze was supplanted in toolmaking | 40 |
| When bronze was replaced, historically | 38 |
| When broken, some people get happy, some sad | 44 |
| When Brian McKnight can be reached? | 35 |
| When brats want something? | 26 |
| When brats want something | 25 |
| When brandy may be served | 25 |
| When boys join the Vienna Boys Choir | 36 |
| When Bottom returns in "A Midsummer Night's Dream" | 64 |
| When both hands are up? | 23 |
| When both hands are up | 22 |
| When both hands are together? | 29 |
| When both hands are together | 28 |
| When both hands are straight up | 31 |
| When both hands are raised | 26 |
| When books are closed | 21 |
| When bluffing, unwelcome response to "all in" | 55 |
| When Bloomsday, which celebrates Joyce's "Ulysses," is observed | 77 |
| When Bloody Mary sings "Happy Talk" | 45 |
| When Bill Mazeroski hit his Series-ending walk-off home run | 59 |
| When Beaujolais nouveau wines are released: Abbr. | 49 |
| When bats fly | 13 |
| When bats come out | 18 |
| When Bastille Day occurs | 24 |
| When Bastille Day is celebrated | 31 |
| When baseball's All-Star Game is played | 43 |
| When baseball season starts | 27 |
| When bars close, in most U.S. cities | 36 |
| When bars close in Boston | 25 |
| When bar drinks are discounted | 30 |
| When bait is attached | 21 |
| When bad booze is served after hours? | 37 |
| When babies are brought to the stadium? | 39 |
| When “Dynasty” aired | 28 |
| When école is out of session | 31 |
| When école is not in session | 31 |
| When asked for | 14 |
| When asked "What is the meaning of life?" she sometimes answers "All evidence to date suggests it's chocolate" | 134 |
| When Armed Forces Day falls | 27 |
| When arguments begin? | 21 |
| When Arbor Day is observed: Abbr. | 33 |
| When Arbor Day comes | 20 |
| When appropriate | 16 |
| When Apollo appears | 19 |