|  | 46 | In case you want to exploits the parametrizations of 'OGC:Temporal' CRS or you want to create a new one, you can adopt the following UCUM-compliant time units: | 
          
            |  | 47 |  | 
          
            |  | 48 | {{{ | 
          
            |  | 49 | // Standard codes for supported temporal Unit of Measures (which provide ISO8601 interface to the user) | 
          
            |  | 50 | // http://unitsofmeasure.org/ucum.html | 
          
            |  | 51 | public static final String UCUM_MILLIS               = "ms"; | 
          
            |  | 52 | public static final String UCUM_SECOND               = "s"; | 
          
            |  | 53 | public static final String UCUM_MINUTE               = "min"; | 
          
            |  | 54 | public static final String UCUM_HOUR                 = "h"; | 
          
            |  | 55 | public static final String UCUM_DAY                  = "d"; | 
          
            |  | 56 | public static final String UCUM_WEEK                 = "wk"; | 
          
            |  | 57 | public static final String UCUM_MEAN_JULIAN_MONTH    = "mo_j"; | 
          
            |  | 58 | public static final String UCUM_MEAN_GREGORIAN_MONTH = "mo_g"; | 
          
            |  | 59 | public static final String UCUM_SYNODAL_MONTH        = "mo_s"; | 
          
            |  | 60 | public static final String UCUM_MONTH                = "mo"; | 
          
            |  | 61 | public static final String UCUM_MEAN_JULIAN_YEAR     = "a_j"; | 
          
            |  | 62 | public static final String UCUM_MEAN_GREGORIAN_YEAR  = "a_g"; | 
          
            |  | 63 | public static final String UCUM_TROPICAL_YEAR        = "a_t"; | 
          
            |  | 64 | public static final String UCUM_YEAR                 = "a"; | 
          
            |  | 65 | }}} | 
          
            |  | 66 |  | 
          
            |  | 67 | Due to the characteristics of the [http://www.joda.org/joda-time/apidocs/org/joda/time/Duration.html ''Duration''] Joda-time class, the highest time resolution achievable now is ''milliseconds'' ![ms]. |