| Nombre De Unidad | Símbolo | Nombre De Unidad (Inglés) | Símbolo (Inglés) |
|---|---|---|---|
| Año | año | Year | year |
| Año Gregoriano | año (Gregoriano) | Gregorian year | year (Gregorian) |
| Año sideral | año (sideral) | Sidereal year | year (sidereal) |
| Año tropical | año (tropical) | Tropical year | year (tropical) |
| Attosegundo | as | Attosecond | as |
| Bienio | bienio | Biennium | biennium |
| Bimestre | bimestre | Bimonthly (two months) | bimonthly |
| Centisegundo | cs | Centisecond | cs |
| Cuatrimestre | cuatrimestre | Four-month period | four-month |
| Cuatrinenio | cuatrienio | Cuatrienio (spanish - four years period) | cuatrienio |
| Década | década | Decade | decade |
| Decalustro | decalustro | Jubilee | jubilee |
| Decasegundo | das | Decasecond | das |
| Decisegundo | ds | Decisecond | ds |
| Día | d | Day | d |
| Día sideral | d (sideral) | Day (sidereal) | d (sidereal) |
| Exasegundo | Es | Exasecond | Es |
| Femtosegundo | fs | Femtosecond | fs |
| Gigasegundo | Gs | Gigasecond | Gs |
| Hectosegundo | hs | Hectosecond | hs |
| Hora | h | Hour | h |
| Hora sideral | h (sideral) | Hour (sidereal) | h (sidereal) |
| Kilosegundo | ks | Kilosecond | ks |
| Lustro | lustro | Lustrum | lustrum |
| Megasegundo | Ms | Megasecond | Ms |
| Mes | mes | Month | month |
| Microsegundo | µs | Microsecond | µs |
| Milenio | milenio | Millenium | millenium |
| Milisegundo | ms | Millisecond | ms |
| Minuto | min | Minute | min |
| Minuto sideral | min (sideral) | Minute (sidereal) | min (sidereal) |
| Nanosegundo | ns | Nanosecond | ns |
| Petasegundo | Ps | Petasecond | Ps |
| Picosegundo | ps | Picosecond | ps |
| Quinquenio | quinquenio | Quinquenio (spanish - five years period) | quinquenio |
| Segundo | s | Second | s |
| Segundo sideral | s (sideral) | Second (sidereal) | s (sidereal) |
| Semana | semana | Week | week |
| Semestre | semestre | Six-month period | six-month |
| Septenio | septenio | Septenio (spanish - seven years period) | septenio |
| Sexenio | sexenio | Sexenio (spanish - six years period) | sexenio |
| shake | shake | shake | shake |
| Siglo | siglo | Century | century |
| Terasegundo | Ts | Terasecond | Ts |
| Trienio | trienio | Triennium | triennium |
| Trimestre | trimestre | Three-month period | three-month |
| Yoctosegundo | ys | Yoctosecond | ys |
| Yottasegundo | Ys | Yottasecond | Ys |
| Zeptosegundo | zs | Zeptosecond | zs |
| Zettasegundo | Zs | Zettasecond | Zs |