| 2026-07-12 | Vast span |
| 2026-06-21 | It's one for the history books |
| 2026-06-18 | 1,000,000,000 years, in astronomy |
| 2026-06-15 | It literally takes ages |
| 2026-06-03 | Forever and a day |
| 2026-01-06 | Forever and a day |
| 2025-10-20 | Time unit aptly hidden in "paleontology" |
| 2025-08-06 | Proterozoic, for one |
| 2025-07-11 | Phanerozoic, for one |
| 2025-06-29 | Many, many moons |
| 2025-05-11 | Eternity |
| 2025-05-03 | Long spell |
| 2025-04-07 | Long, long time |
| 2025-03-18 | Long time |
| 2025-02-19 | Ages and ages |
| 2025-02-16 | Equivalent of a billion years, in geology |
| 2025-02-09 | Long, long time |
| 2024-12-24 | Ages and ages |
| 2024-12-11 | Seemingly forever |
| 2024-11-27 | Long time |
| 2024-10-18 | Vast span |
| 2024-09-19 | Long stretch |
| 2024-08-13 | Very long time |
| 2024-08-04 | Long, long time |
| 2024-07-28 | Forever and ever |
| 2024-07-25 | One of four in Earth's history |
| 2024-07-21 | Many, many years |
| 2024-06-23 | Many moons |
| 2024-06-03 | Immeasurably long time |
| 2024-05-27 | Seemingly endless time span |
| 2024-05-01 | Big stretch |
| 2024-04-29 | Long stretch of time |
| 2024-04-28 | Ages upon ages |
| 2024-04-22 | Ages and ages |
| 2024-03-07 | Lo-o-o-ong time |
| 2024-02-11 | Seeming eternity |
| 2024-01-21 | Over time period? |
| 2023-12-14 | Long, long time |
| 2023-11-21 | Very long time |
| 2023-11-02 | Many lifetimes |
| 2023-08-31 | Seeming eternity |
| 2023-04-19 | Ages and ages |
| 2023-03-08 | Forever and a day |
| 2023-01-29 | Many millennia |
| 2022-12-31 | Long division |
| 2022-11-29 | Very long time |
| 2022-11-28 | Ages and ages |
| 2022-10-20 | Big time |
| 2022-10-16 | Phanerozoic ___ (what we live in) |
| 2022-10-09 | Stretch longer than an 11-Down |
| 2022-07-25 | Long, long time |
| 2022-05-03 | Long, long time |
| 2022-04-15 | Countless lifetimes |
| 2022-04-07 | Seemingly for-ev-er |
| 2022-03-21 | Lo-o-ong time |
| 2022-02-24 | ___ Productions (company behind the James Bond films) |
| 2022-02-06 | Big stretch |
| 2022-01-23 | Hyperbolic wait time |
| 2022-01-06 | Time period, or an anagram of one? |
| 2022-01-05 | Long, long time |
| 2021-12-09 | Geology interval |
| 2021-12-08 | Long time |
| 2021-11-28 | Stretch of time |
| 2021-10-22 | Long run? |
| 2021-10-12 | Long, long time |
| 2021-09-17 | S_c_ _d (time in time) |
| 2021-06-21 | How long it might take for a mountain to form |
| 2021-04-14 | Ages and ages |
| 2021-03-30 | Seemingly forever |
| 2021-03-25 | Now we're in the Phanerozoic one |
| 2021-01-27 | Nearly forever |
| 2021-01-19 | Very long time |
| 2020-12-16 | Long, long time |
| 2020-11-06 | Length of time spent on hold, it often seems |
| 2020-10-21 | Very long time |
| 2020-09-09 | Immeasurably long time |
| 2020-08-19 | It's a stretch |
| 2020-06-17 | Section of geological history |
| 2020-06-10 | Long stretch |
| 2020-03-02 | Long, long time |
| 2020-03-01 | Stretch of history |
| 2020-01-19 | - |
| 2019-11-09 | Forever and a day |
| 2019-11-06 | Lo-o-ong stretch |
| 2019-10-21 | Long, long time |
| 2019-09-29 | The Phanerozoic, e.g., in geology |
| 2019-09-06 | Phanerozoic ___ (current period in the earth's history) |
| 2019-08-31 | Time between ordering and food arriving, seemingly |
| 2019-08-21 | Gazillion years |
| 2019-07-21 | Very long time |
| 2019-06-28 | Series of ages |
| 2019-04-12 | Forever, seemingly |
| 2019-04-07 | Geologic period |
| 2019-03-03 | Ages and ages |
| 2018-12-08 | Long division? |
| 2018-11-26 | Really, really long time |
| 2018-09-24 | Long, long time |
| 2018-09-09 | Division in geology |
| 2018-08-26 | Forever and a day |
| 2018-07-27 | Ages |
| 2018-07-05 | Long, long time |
| 2018-06-14 | Lo-o-ong stretch |
| 2018-05-13 | Long span |
| 2018-03-19 | Very long time |
| 2017-12-19 | Forever and a day |
| 2017-12-03 | Ages and ages |
| 2017-09-19 | Geologist's division |
| 2017-09-13 | Time it takes for paint to dry, seemingly |
| 2017-09-08 | Length of a long wait, in hyperbole |
| 2017-05-20 | Extended stretch |
| 2017-03-27 | Many millennia |
| 2017-02-02 | Really long time |
| 2016-10-30 | Ages and ages |
| 2016-09-21 | Forever, seemingly |
| 2016-08-17 | Years and years |
| 2016-06-26 | Long stretch |
| 2016-06-20 | Very long time |
| 2016-04-21 | Gazillion years |
| 2016-03-08 | Word found in "time on end," appropriately |
| 2016-03-01 | It's been a long time |
| 2016-02-23 | Countless centuries |
| 2016-01-18 | Ages and ages |
| 2015-10-10 | The Hadean was the earth's first one |
| 2015-09-29 | Very long time |
| 2015-08-10 | Many, many years |
| 2015-07-23 | Many moons |
| 2015-07-05 | Interminable time |
| 2015-04-21 | 100,000,000 decades |
| 2014-10-19 | Many years |
| 2014-10-08 | Many, many moons |
| 2014-08-21 | Many, many moons |
| 2014-07-15 | Near eternity |
| 2014-06-11 | Very long period |
| 2014-06-02 | Long, long time |
| 2014-06-01 | Long time |
| 2014-02-26 | Ages and ages |
| 2014-02-05 | Long, long time |
| 2014-02-03 | Seeming eternity |
| 2014-02-02 | Big stretch? |
| 2013-12-04 | Proterozoic ___ |
| 2013-09-07 | Big time |
| 2013-06-09 | Many a doctor's office wait, seemingly |
| 2013-06-03 | Long, long time |
| 2013-02-27 | Seemingly forever |
| 2013-02-24 | Ages |
| 2012-12-28 | Long time |
| 2012-12-23 | Seemingly forever |
| 2012-11-15 | Long time |
| 2012-10-26 | Big stretch |
| 2012-10-24 | Impatient person's wait, seemingly |
| 2012-09-30 | Almost forever |
| 2012-08-15 | Lo-o-o-ong time |
| 2012-07-23 | Immeasurably long time |
| 2012-07-11 | The Hadean was the first one, ending about 4 billion years ago |
| 2012-03-04 | Long stretch |
| 2012-02-20 | Many, many years |
| 2012-01-02 | Forever and a day |
| 2012-01-01 | Great time |
| 2011-12-18 | Gigayear |
| 2011-11-19 | Astronomical stretch |
| 2011-10-24 | Seemingly forever |
| 2011-09-26 | Years on end |
| 2011-08-02 | Ages and ages |
| 2011-07-25 | Long time |
| 2011-06-18 | 1,000,000,000 years |
| 2011-05-01 | Years on end |
| 2011-04-18 | Years and years and years |
| 2011-03-03 | Long time |
| 2011-01-13 | Long time |
| 2010-10-24 | Big stretch? |
| 2010-09-19 | Years on end |
| 2010-02-22 | Long stretch of time |
| 2010-01-22 | Unit in astronomy |
| 2009-10-25 | It seemingly never ends |
| 2009-10-17 | It's a real stretch |
| 2009-10-14 | Endless years |
| 2009-09-26 | Gigayear |
| 2009-08-24 | Ages and ages |
| 2009-07-23 | Long, long time |
| 2009-06-15 | Geological stretch |
| 2009-03-09 | Seeming eternity |
| 2008-11-02 | Big time? |
| 2008-09-29 | Many, many moons |
| 2008-09-01 | Ages and ages |
| 2008-08-06 | Long, long time |
| 2008-07-20 | Untold millennia |
| 2008-07-08 | Long, long time |
| 2008-06-17 | It keeps going and going ... |
| 2008-06-04 | Long, long time |
| 2008-04-22 | Forever and a day |
| 2008-04-10 | Long interval |
| 2008-03-24 | Long, long time |
| 2008-03-12 | Countless years |
| 2008-01-30 | Long time |
| 2007-12-19 | Years and years and years |
| 2007-11-18 | Long, long time |
| 2007-11-17 | It goes on and on |
| 2007-11-04 | Slice of history |
| 2007-08-27 | Period in history |
| 2007-07-19 | Largest geological division |
| 2007-07-04 | Long, long time |
| 2007-06-15 | Ages |
| 2007-05-29 | Seeming eternity |
| 2007-05-13 | Lot of time |
| 2007-04-17 | Just about forever |
| 2007-03-25 | Time on end |
| 2007-02-19 | Almost forever |
| 2007-02-13 | Forever and a day |
| 2007-01-16 | Seemingly forever |
| 2007-01-03 | Long, long time |
| 2006-12-22 | It's a big stretch |
| 2006-12-16 | Wait at the motor vehicle bureau, say |
| 2006-10-30 | Ages and ages |
| 2006-09-09 | Great time |
| 2006-08-05 | It goes on and on |
| 2006-05-31 | Exceedingly long time |
| 2006-05-15 | Span longer than an era |
| 2006-04-02 | Forever and a day |
| 2006-03-26 | Big time |
| 2006-03-20 | A billion years |
| 2006-01-17 | Geological span |
| 2006-01-02 | Long, long time |
| 2005-11-28 | Long time |
| 2005-09-27 | Ages and ages |
| 2005-09-25 | Long stretch |
| 2005-08-12 | Waiting time at the motor vehicle bureau, seemingly |
| 2005-07-06 | String of periods |
| 2005-05-08 | Many, many moons |
| 2005-04-22 | It's quite a stretch |
| 2005-03-30 | Many millennia |
| 2005-03-17 | Long time |
| 2005-03-08 | Several eras |
| 2004-11-19 | Ages and ages |
| 2004-07-06 | Almost forever |
| 2004-05-25 | Many eras |
| 2004-05-16 | Long time |
| 2004-02-29 | Long period |
| 2003-12-11 | Long time |
| 2003-09-07 | Time on end |
| 2003-08-31 | Many moons |
| 2003-08-24 | Long time |
| 2003-06-05 | Geologic division |
| 2003-05-03 | Series of periods |
| 2003-04-07 | Group of eras |
| 2003-04-03 | Very long stretch |
| 2003-03-09 | Mighty long time |
| 2003-03-02 | What a waiting time may seem |
| 2002-12-15 | Period in the earth's history |
| 2002-11-10 | Extended period |
| 2002-10-25 | Long stretch |
| 2002-09-13 | Time on end |
| 2002-07-26 | Ages |
| 2002-07-01 | Long, long time |
| 2002-06-22 | Ages |
| 2002-03-27 | Long, long time |
| 2002-01-14 | Long time |
| 2001-12-19 | Ages and ages |
| 2001-11-25 | Time on end |
| 2001-11-21 | Time on end |
| 2001-10-11 | Ages |
| 2001-10-09 | Time in a waiting room, seemingly |
| 2001-08-07 | Countless years |
| 2001-08-06 | Years and years |
| 2001-07-31 | Seemingly forever |
| 2001-07-03 | Ages and ages |
| 2001-05-07 | Unit of time |
| 2001-04-29 | Many, many moons |
| 2001-04-22 | Time on end |
| 2001-04-14 | Quite a while |
| 2001-04-02 | Long, long time |
| 2001-03-07 | Geologist's measure |
| 2000-12-24 | Long time to wait |
| 2000-12-21 | Period in the earth's history |
| 2000-12-18 | Ages and ages |
| 2000-11-26 | It lasts and lasts |
| 2000-11-12 | Long period |
| 2000-09-13 | Long stretch |
| 2000-08-04 | No short time |
| 2000-06-05 | Many, many years |
| 2000-05-09 | Super-long time |
| 2000-04-04 | Ages and ages |
| 2000-02-08 | Ages and ages |
| 1999-11-24 | Two or more eras |
| 1999-10-08 | Clock watcher's wait, seemingly |
| 1999-09-21 | Long, long time |
| 1999-09-18 | Many chiliads |
| 1999-07-08 | Loooong wait |
| 1999-07-06 | Immeasurable period |
| 1999-05-15 | Many chiliads |
| 1999-04-18 | Seemingly forever |
| 1999-04-03 | Time in history |
| 1999-02-08 | Long, long time |
| 1999-02-03 | Centuries and centuries |
| 1998-12-23 | Long time |
| 1998-12-16 | A billion years |
| 1998-10-25 | Ages |
| 1998-08-30 | Interminable time |
| 1998-08-12 | Lots of time |
| 1998-07-08 | One billion years |
| 1998-06-01 | Long, long time |
| 1998-05-25 | Years and years |
| 1998-04-25 | Forever, or close to it |
| 1998-03-16 | Seemingly forever |
| 1998-03-15 | Years on end |
| 1998-03-10 | Long, long time |
| 1998-02-08 | Long time |
| 1997-11-13 | Waiting period, seemingly |
| 1997-11-07 | Age |
| 1997-10-28 | Long time |
| 1997-07-20 | Quite a while |
| 1997-07-18 | One billion years, in geology |
| 1997-07-01 | Long, long time |
| 1997-02-23 | Waiting period, seemingly |
| 1996-12-04 | Long time |
| 1996-11-08 | Phanerozoic, for instance |
| 1996-09-29 | Awfully long time |
| 1996-09-11 | Years and years |
| 1996-07-21 | Time without end |
| 1996-06-09 | Seemingly forever |
| 1996-05-11 | Roughly forever |
| 1996-04-07 | Unspecific duration |
| 1996-02-19 | Untold centuries |
| 1996-02-14 | Ages and ages |
| 1995-12-04 | Long, long ago |
| 1995-07-05 | Long time |
| 1995-06-11 | Waiting period, seemingly |
| 1995-04-23 | Many, many years |
| 1995-02-20 | Untold centuries |
| 1995-02-19 | Many lifetimes |
| 1995-01-29 | Years and years |
| 1994-11-07 | Long time |
| 1994-10-14 | A month of Sundays |
| 1994-10-12 | A dog's age |
| 1994-10-01 | Forever and a day |
| 1994-09-22 | Long, long time |
| 1994-08-04 | Long spell |
| 1994-03-13 | Long time |
| 1994-01-11 | Eternity |
| 1994-01-08 | Timepiece? |