| 2025-07-27 | Clock toggle |
| 2025-06-05 | Toggle on a digital clock |
| 2023-10-20 | Distinction not used in the military |
| 2023-01-12 | All-day, in a way |
| 2022-06-08 | Day and night? |
| 2022-06-01 | Digital clock toggle |
| 2021-02-10 | Toggle on a clock |
| 2020-08-05 | Switch on a clock radio |
| 2018-07-02 | 12-hour toggle on clocks |
| 2017-09-05 | Clock setting for an alarm |
| 2017-04-06 | Alarm clock toggle |
| 2016-04-13 | Around-the-clock, in a way |
| 2015-02-17 | Clock radio toggle switch |
| 2014-01-12 | Day-and-night, in a way |
| 2013-01-06 | Choices of time |
| 2010-10-20 | Like 12-hour clocks |
| 2010-06-25 | Red indication on a clock radio |