diff --git a/cts/cli/regression.dates.exp b/cts/cli/regression.dates.exp
index a11b7640c2..9ff3fe8ce0 100644
--- a/cts/cli/regression.dates.exp
+++ b/cts/cli/regression.dates.exp
@@ -1,346 +1,346 @@
 =#=#=#= Begin test: Invalid period - [] =#=#=#=
-Invalid interval specified: 
+iso8601: Invalid interval specified: 
 =#=#=#= End test: Invalid period - [] - Invalid parameter (2) =#=#=#=
 * Passed: iso8601        - Invalid period - []
 =#=#=#= Begin test: Invalid period - [2019-01-01 00:00:00Z] =#=#=#=
-Invalid interval specified: 2019-01-01 00:00:00Z
+iso8601: Invalid interval specified: 2019-01-01 00:00:00Z
 =#=#=#= End test: Invalid period - [2019-01-01 00:00:00Z] - Invalid parameter (2) =#=#=#=
 * Passed: iso8601        - Invalid period - [2019-01-01 00:00:00Z]
 =#=#=#= Begin test: Invalid period - [2019-01-01 00:00:00Z/] =#=#=#=
-Invalid interval specified: 2019-01-01 00:00:00Z/
+iso8601: Invalid interval specified: 2019-01-01 00:00:00Z/
 =#=#=#= End test: Invalid period - [2019-01-01 00:00:00Z/] - Invalid parameter (2) =#=#=#=
 * Passed: iso8601        - Invalid period - [2019-01-01 00:00:00Z/]
 =#=#=#= Begin test: Invalid period - [PT2S/P1M] =#=#=#=
-Invalid interval specified: PT2S/P1M
+iso8601: Invalid interval specified: PT2S/P1M
 =#=#=#= End test: Invalid period - [PT2S/P1M] - Invalid parameter (2) =#=#=#=
 * Passed: iso8601        - Invalid period - [PT2S/P1M]
 =#=#=#= Begin test: Invalid period - [2019-13-01 00:00:00Z/P1M] =#=#=#=
-Invalid interval specified: 2019-13-01 00:00:00Z/P1M
+iso8601: Invalid interval specified: 2019-13-01 00:00:00Z/P1M
 =#=#=#= End test: Invalid period - [2019-13-01 00:00:00Z/P1M] - Invalid parameter (2) =#=#=#=
 * Passed: iso8601        - Invalid period - [2019-13-01 00:00:00Z/P1M]
 =#=#=#= Begin test: Invalid period - [20191077T15/P1M] =#=#=#=
-Invalid interval specified: 20191077T15/P1M
+iso8601: Invalid interval specified: 20191077T15/P1M
 =#=#=#= End test: Invalid period - [20191077T15/P1M] - Invalid parameter (2) =#=#=#=
 * Passed: iso8601        - Invalid period - [20191077T15/P1M]
 =#=#=#= Begin test: Invalid period - [2019-10-01T25:00:00Z/P1M] =#=#=#=
-Invalid interval specified: 2019-10-01T25:00:00Z/P1M
+iso8601: Invalid interval specified: 2019-10-01T25:00:00Z/P1M
 =#=#=#= End test: Invalid period - [2019-10-01T25:00:00Z/P1M] - Invalid parameter (2) =#=#=#=
 * Passed: iso8601        - Invalid period - [2019-10-01T25:00:00Z/P1M]
 =#=#=#= Begin test: Invalid period - [2019-10-01T24:00:01Z/P1M] =#=#=#=
-Invalid interval specified: 2019-10-01T24:00:01Z/P1M
+iso8601: Invalid interval specified: 2019-10-01T24:00:01Z/P1M
 =#=#=#= End test: Invalid period - [2019-10-01T24:00:01Z/P1M] - Invalid parameter (2) =#=#=#=
 * Passed: iso8601        - Invalid period - [2019-10-01T24:00:01Z/P1M]
 =#=#=#= Begin test: Invalid period - [PT5H/20191001T007000Z] =#=#=#=
-Invalid interval specified: PT5H/20191001T007000Z
+iso8601: Invalid interval specified: PT5H/20191001T007000Z
 =#=#=#= End test: Invalid period - [PT5H/20191001T007000Z] - Invalid parameter (2) =#=#=#=
 * Passed: iso8601        - Invalid period - [PT5H/20191001T007000Z]
 =#=#=#= Begin test: Invalid period - [2019-10-01 00:00:80Z/P1M] =#=#=#=
-Invalid interval specified: 2019-10-01 00:00:80Z/P1M
+iso8601: Invalid interval specified: 2019-10-01 00:00:80Z/P1M
 =#=#=#= End test: Invalid period - [2019-10-01 00:00:80Z/P1M] - Invalid parameter (2) =#=#=#=
 * Passed: iso8601        - Invalid period - [2019-10-01 00:00:80Z/P1M]
 =#=#=#= Begin test: Invalid period - [2019-10-01 00:00:10 +25:00/P1M] =#=#=#=
-Invalid interval specified: 2019-10-01 00:00:10 +25:00/P1M
+iso8601: Invalid interval specified: 2019-10-01 00:00:10 +25:00/P1M
 =#=#=#= End test: Invalid period - [2019-10-01 00:00:10 +25:00/P1M] - Invalid parameter (2) =#=#=#=
 * Passed: iso8601        - Invalid period - [2019-10-01 00:00:10 +25:00/P1M]
 =#=#=#= Begin test: Invalid period - [20191001T000010 -00:61/P1M] =#=#=#=
-Invalid interval specified: 20191001T000010 -00:61/P1M
+iso8601: Invalid interval specified: 20191001T000010 -00:61/P1M
 =#=#=#= End test: Invalid period - [20191001T000010 -00:61/P1M] - Invalid parameter (2) =#=#=#=
 * Passed: iso8601        - Invalid period - [20191001T000010 -00:61/P1M]
 =#=#=#= Begin test: Invalid period - [P1Y/2019-02-29 00:00:00Z] =#=#=#=
-Invalid interval specified: P1Y/2019-02-29 00:00:00Z
+iso8601: Invalid interval specified: P1Y/2019-02-29 00:00:00Z
 =#=#=#= End test: Invalid period - [P1Y/2019-02-29 00:00:00Z] - Invalid parameter (2) =#=#=#=
 * Passed: iso8601        - Invalid period - [P1Y/2019-02-29 00:00:00Z]
 =#=#=#= Begin test: Invalid period - [2019-01-01 00:00:00Z/P] =#=#=#=
-Invalid interval specified: 2019-01-01 00:00:00Z/P
+iso8601: Invalid interval specified: 2019-01-01 00:00:00Z/P
 =#=#=#= End test: Invalid period - [2019-01-01 00:00:00Z/P] - Invalid parameter (2) =#=#=#=
 * Passed: iso8601        - Invalid period - [2019-01-01 00:00:00Z/P]
 =#=#=#= Begin test: Invalid period - [P1Z/2019-02-20 00:00:00Z] =#=#=#=
-Invalid interval specified: P1Z/2019-02-20 00:00:00Z
+iso8601: Invalid interval specified: P1Z/2019-02-20 00:00:00Z
 =#=#=#= End test: Invalid period - [P1Z/2019-02-20 00:00:00Z] - Invalid parameter (2) =#=#=#=
 * Passed: iso8601        - Invalid period - [P1Z/2019-02-20 00:00:00Z]
 =#=#=#= Begin test: Invalid period - [P1YM/2019-02-20 00:00:00Z] =#=#=#=
-Invalid interval specified: P1YM/2019-02-20 00:00:00Z
+iso8601: Invalid interval specified: P1YM/2019-02-20 00:00:00Z
 =#=#=#= End test: Invalid period - [P1YM/2019-02-20 00:00:00Z] - Invalid parameter (2) =#=#=#=
 * Passed: iso8601        - Invalid period - [P1YM/2019-02-20 00:00:00Z]
 =#=#=#= Begin test: 2014-01-01 00:30:00 - 1 Hour =#=#=#=
 Date: 2014-01-01 00:30:00Z
 Duration: -3600 seconds (1 hour)
 Duration ends at: 2013-12-31 23:30:00Z
 =#=#=#= End test: 2014-01-01 00:30:00 - 1 Hour - OK (0) =#=#=#=
 * Passed: iso8601        - 2014-01-01 00:30:00 - 1 Hour
 =#=#=#= Begin test: Valid date - Feb 29 in leap year =#=#=#=
 Date: 2020-02-29 00:00:00Z
 =#=#=#= End test: Valid date - Feb 29 in leap year - OK (0) =#=#=#=
 * Passed: iso8601        - Valid date - Feb 29 in leap year
 =#=#=#= Begin test: Valid date - using 'T' and offset =#=#=#=
 Date: 2019-12-01 18:12:11Z
 =#=#=#= End test: Valid date - using 'T' and offset - OK (0) =#=#=#=
 * Passed: iso8601        - Valid date - using 'T' and offset
 =#=#=#= Begin test: 24:00:00 equivalent to 00:00:00 of next day =#=#=#=
 Date: 2020-01-01 00:00:00Z
 =#=#=#= End test: 24:00:00 equivalent to 00:00:00 of next day - OK (0) =#=#=#=
 * Passed: iso8601        - 24:00:00 equivalent to 00:00:00 of next day
 =#=#=#= Begin test: 2006-W01-7 =#=#=#=
 Date: 2006-01-08 00:00:00Z
 =#=#=#= End test: 2006-W01-7 - OK (0) =#=#=#=
 * Passed: iso8601        - 2006-W01-7
 =#=#=#= Begin test: 2006-W01-7 - round-trip =#=#=#=
 Date: 2006-W01-7 00:00:00Z
 =#=#=#= End test: 2006-W01-7 - round-trip - OK (0) =#=#=#=
 * Passed: iso8601        - 2006-W01-7 - round-trip
 =#=#=#= Begin test: 2006-W01-1 =#=#=#=
 Date: 2006-01-02 00:00:00Z
 =#=#=#= End test: 2006-W01-1 - OK (0) =#=#=#=
 * Passed: iso8601        - 2006-W01-1
 =#=#=#= Begin test: 2006-W01-1 - round-trip =#=#=#=
 Date: 2006-W01-1 00:00:00Z
 =#=#=#= End test: 2006-W01-1 - round-trip - OK (0) =#=#=#=
 * Passed: iso8601        - 2006-W01-1 - round-trip
 =#=#=#= Begin test: 2007-W01-7 =#=#=#=
 Date: 2007-01-07 00:00:00Z
 =#=#=#= End test: 2007-W01-7 - OK (0) =#=#=#=
 * Passed: iso8601        - 2007-W01-7
 =#=#=#= Begin test: 2007-W01-7 - round-trip =#=#=#=
 Date: 2007-W01-7 00:00:00Z
 =#=#=#= End test: 2007-W01-7 - round-trip - OK (0) =#=#=#=
 * Passed: iso8601        - 2007-W01-7 - round-trip
 =#=#=#= Begin test: 2007-W01-1 =#=#=#=
 Date: 2007-01-01 00:00:00Z
 =#=#=#= End test: 2007-W01-1 - OK (0) =#=#=#=
 * Passed: iso8601        - 2007-W01-1
 =#=#=#= Begin test: 2007-W01-1 - round-trip =#=#=#=
 Date: 2007-W01-1 00:00:00Z
 =#=#=#= End test: 2007-W01-1 - round-trip - OK (0) =#=#=#=
 * Passed: iso8601        - 2007-W01-1 - round-trip
 =#=#=#= Begin test: 2008-W01-7 =#=#=#=
 Date: 2008-01-06 00:00:00Z
 =#=#=#= End test: 2008-W01-7 - OK (0) =#=#=#=
 * Passed: iso8601        - 2008-W01-7
 =#=#=#= Begin test: 2008-W01-7 - round-trip =#=#=#=
 Date: 2008-W01-7 00:00:00Z
 =#=#=#= End test: 2008-W01-7 - round-trip - OK (0) =#=#=#=
 * Passed: iso8601        - 2008-W01-7 - round-trip
 =#=#=#= Begin test: 2008-W01-1 =#=#=#=
 Date: 2007-12-31 00:00:00Z
 =#=#=#= End test: 2008-W01-1 - OK (0) =#=#=#=
 * Passed: iso8601        - 2008-W01-1
 =#=#=#= Begin test: 2008-W01-1 - round-trip =#=#=#=
 Date: 2008-W01-1 00:00:00Z
 =#=#=#= End test: 2008-W01-1 - round-trip - OK (0) =#=#=#=
 * Passed: iso8601        - 2008-W01-1 - round-trip
 =#=#=#= Begin test: 2009-W01-7 =#=#=#=
 Date: 2009-01-04 00:00:00Z
 =#=#=#= End test: 2009-W01-7 - OK (0) =#=#=#=
 * Passed: iso8601        - 2009-W01-7
 =#=#=#= Begin test: 2009-W01-7 - round-trip =#=#=#=
 Date: 2009-W01-7 00:00:00Z
 =#=#=#= End test: 2009-W01-7 - round-trip - OK (0) =#=#=#=
 * Passed: iso8601        - 2009-W01-7 - round-trip
 =#=#=#= Begin test: 2009-W01-1 =#=#=#=
 Date: 2008-12-29 00:00:00Z
 =#=#=#= End test: 2009-W01-1 - OK (0) =#=#=#=
 * Passed: iso8601        - 2009-W01-1
 =#=#=#= Begin test: 2009-W01-1 - round-trip =#=#=#=
 Date: 2009-W01-1 00:00:00Z
 =#=#=#= End test: 2009-W01-1 - round-trip - OK (0) =#=#=#=
 * Passed: iso8601        - 2009-W01-1 - round-trip
 =#=#=#= Begin test: 2010-W01-7 =#=#=#=
 Date: 2010-01-10 00:00:00Z
 =#=#=#= End test: 2010-W01-7 - OK (0) =#=#=#=
 * Passed: iso8601        - 2010-W01-7
 =#=#=#= Begin test: 2010-W01-7 - round-trip =#=#=#=
 Date: 2010-W01-7 00:00:00Z
 =#=#=#= End test: 2010-W01-7 - round-trip - OK (0) =#=#=#=
 * Passed: iso8601        - 2010-W01-7 - round-trip
 =#=#=#= Begin test: 2010-W01-1 =#=#=#=
 Date: 2010-01-04 00:00:00Z
 =#=#=#= End test: 2010-W01-1 - OK (0) =#=#=#=
 * Passed: iso8601        - 2010-W01-1
 =#=#=#= Begin test: 2010-W01-1 - round-trip =#=#=#=
 Date: 2010-W01-1 00:00:00Z
 =#=#=#= End test: 2010-W01-1 - round-trip - OK (0) =#=#=#=
 * Passed: iso8601        - 2010-W01-1 - round-trip
 =#=#=#= Begin test: 2011-W01-7 =#=#=#=
 Date: 2011-01-09 00:00:00Z
 =#=#=#= End test: 2011-W01-7 - OK (0) =#=#=#=
 * Passed: iso8601        - 2011-W01-7
 =#=#=#= Begin test: 2011-W01-7 - round-trip =#=#=#=
 Date: 2011-W01-7 00:00:00Z
 =#=#=#= End test: 2011-W01-7 - round-trip - OK (0) =#=#=#=
 * Passed: iso8601        - 2011-W01-7 - round-trip
 =#=#=#= Begin test: 2011-W01-1 =#=#=#=
 Date: 2011-01-03 00:00:00Z
 =#=#=#= End test: 2011-W01-1 - OK (0) =#=#=#=
 * Passed: iso8601        - 2011-W01-1
 =#=#=#= Begin test: 2011-W01-1 - round-trip =#=#=#=
 Date: 2011-W01-1 00:00:00Z
 =#=#=#= End test: 2011-W01-1 - round-trip - OK (0) =#=#=#=
 * Passed: iso8601        - 2011-W01-1 - round-trip
 =#=#=#= Begin test: 2012-W01-7 =#=#=#=
 Date: 2012-01-08 00:00:00Z
 =#=#=#= End test: 2012-W01-7 - OK (0) =#=#=#=
 * Passed: iso8601        - 2012-W01-7
 =#=#=#= Begin test: 2012-W01-7 - round-trip =#=#=#=
 Date: 2012-W01-7 00:00:00Z
 =#=#=#= End test: 2012-W01-7 - round-trip - OK (0) =#=#=#=
 * Passed: iso8601        - 2012-W01-7 - round-trip
 =#=#=#= Begin test: 2012-W01-1 =#=#=#=
 Date: 2012-01-02 00:00:00Z
 =#=#=#= End test: 2012-W01-1 - OK (0) =#=#=#=
 * Passed: iso8601        - 2012-W01-1
 =#=#=#= Begin test: 2012-W01-1 - round-trip =#=#=#=
 Date: 2012-W01-1 00:00:00Z
 =#=#=#= End test: 2012-W01-1 - round-trip - OK (0) =#=#=#=
 * Passed: iso8601        - 2012-W01-1 - round-trip
 =#=#=#= Begin test: 2013-W01-7 =#=#=#=
 Date: 2013-01-06 00:00:00Z
 =#=#=#= End test: 2013-W01-7 - OK (0) =#=#=#=
 * Passed: iso8601        - 2013-W01-7
 =#=#=#= Begin test: 2013-W01-7 - round-trip =#=#=#=
 Date: 2013-W01-7 00:00:00Z
 =#=#=#= End test: 2013-W01-7 - round-trip - OK (0) =#=#=#=
 * Passed: iso8601        - 2013-W01-7 - round-trip
 =#=#=#= Begin test: 2013-W01-1 =#=#=#=
 Date: 2012-12-31 00:00:00Z
 =#=#=#= End test: 2013-W01-1 - OK (0) =#=#=#=
 * Passed: iso8601        - 2013-W01-1
 =#=#=#= Begin test: 2013-W01-1 - round-trip =#=#=#=
 Date: 2013-W01-1 00:00:00Z
 =#=#=#= End test: 2013-W01-1 - round-trip - OK (0) =#=#=#=
 * Passed: iso8601        - 2013-W01-1 - round-trip
 =#=#=#= Begin test: 2014-W01-7 =#=#=#=
 Date: 2014-01-05 00:00:00Z
 =#=#=#= End test: 2014-W01-7 - OK (0) =#=#=#=
 * Passed: iso8601        - 2014-W01-7
 =#=#=#= Begin test: 2014-W01-7 - round-trip =#=#=#=
 Date: 2014-W01-7 00:00:00Z
 =#=#=#= End test: 2014-W01-7 - round-trip - OK (0) =#=#=#=
 * Passed: iso8601        - 2014-W01-7 - round-trip
 =#=#=#= Begin test: 2014-W01-1 =#=#=#=
 Date: 2013-12-30 00:00:00Z
 =#=#=#= End test: 2014-W01-1 - OK (0) =#=#=#=
 * Passed: iso8601        - 2014-W01-1
 =#=#=#= Begin test: 2014-W01-1 - round-trip =#=#=#=
 Date: 2014-W01-1 00:00:00Z
 =#=#=#= End test: 2014-W01-1 - round-trip - OK (0) =#=#=#=
 * Passed: iso8601        - 2014-W01-1 - round-trip
 =#=#=#= Begin test: 2015-W01-7 =#=#=#=
 Date: 2015-01-04 00:00:00Z
 =#=#=#= End test: 2015-W01-7 - OK (0) =#=#=#=
 * Passed: iso8601        - 2015-W01-7
 =#=#=#= Begin test: 2015-W01-7 - round-trip =#=#=#=
 Date: 2015-W01-7 00:00:00Z
 =#=#=#= End test: 2015-W01-7 - round-trip - OK (0) =#=#=#=
 * Passed: iso8601        - 2015-W01-7 - round-trip
 =#=#=#= Begin test: 2015-W01-1 =#=#=#=
 Date: 2014-12-29 00:00:00Z
 =#=#=#= End test: 2015-W01-1 - OK (0) =#=#=#=
 * Passed: iso8601        - 2015-W01-1
 =#=#=#= Begin test: 2015-W01-1 - round-trip =#=#=#=
 Date: 2015-W01-1 00:00:00Z
 =#=#=#= End test: 2015-W01-1 - round-trip - OK (0) =#=#=#=
 * Passed: iso8601        - 2015-W01-1 - round-trip
 =#=#=#= Begin test: 2016-W01-7 =#=#=#=
 Date: 2016-01-10 00:00:00Z
 =#=#=#= End test: 2016-W01-7 - OK (0) =#=#=#=
 * Passed: iso8601        - 2016-W01-7
 =#=#=#= Begin test: 2016-W01-7 - round-trip =#=#=#=
 Date: 2016-W01-7 00:00:00Z
 =#=#=#= End test: 2016-W01-7 - round-trip - OK (0) =#=#=#=
 * Passed: iso8601        - 2016-W01-7 - round-trip
 =#=#=#= Begin test: 2016-W01-1 =#=#=#=
 Date: 2016-01-04 00:00:00Z
 =#=#=#= End test: 2016-W01-1 - OK (0) =#=#=#=
 * Passed: iso8601        - 2016-W01-1
 =#=#=#= Begin test: 2016-W01-1 - round-trip =#=#=#=
 Date: 2016-W01-1 00:00:00Z
 =#=#=#= End test: 2016-W01-1 - round-trip - OK (0) =#=#=#=
 * Passed: iso8601        - 2016-W01-1 - round-trip
 =#=#=#= Begin test: 2017-W01-7 =#=#=#=
 Date: 2017-01-08 00:00:00Z
 =#=#=#= End test: 2017-W01-7 - OK (0) =#=#=#=
 * Passed: iso8601        - 2017-W01-7
 =#=#=#= Begin test: 2017-W01-7 - round-trip =#=#=#=
 Date: 2017-W01-7 00:00:00Z
 =#=#=#= End test: 2017-W01-7 - round-trip - OK (0) =#=#=#=
 * Passed: iso8601        - 2017-W01-7 - round-trip
 =#=#=#= Begin test: 2017-W01-1 =#=#=#=
 Date: 2017-01-02 00:00:00Z
 =#=#=#= End test: 2017-W01-1 - OK (0) =#=#=#=
 * Passed: iso8601        - 2017-W01-1
 =#=#=#= Begin test: 2017-W01-1 - round-trip =#=#=#=
 Date: 2017-W01-1 00:00:00Z
 =#=#=#= End test: 2017-W01-1 - round-trip - OK (0) =#=#=#=
 * Passed: iso8601        - 2017-W01-1 - round-trip
 =#=#=#= Begin test: 2018-W01-7 =#=#=#=
 Date: 2018-01-07 00:00:00Z
 =#=#=#= End test: 2018-W01-7 - OK (0) =#=#=#=
 * Passed: iso8601        - 2018-W01-7
 =#=#=#= Begin test: 2018-W01-7 - round-trip =#=#=#=
 Date: 2018-W01-7 00:00:00Z
 =#=#=#= End test: 2018-W01-7 - round-trip - OK (0) =#=#=#=
 * Passed: iso8601        - 2018-W01-7 - round-trip
 =#=#=#= Begin test: 2018-W01-1 =#=#=#=
 Date: 2018-01-01 00:00:00Z
 =#=#=#= End test: 2018-W01-1 - OK (0) =#=#=#=
 * Passed: iso8601        - 2018-W01-1
 =#=#=#= Begin test: 2018-W01-1 - round-trip =#=#=#=
 Date: 2018-W01-1 00:00:00Z
 =#=#=#= End test: 2018-W01-1 - round-trip - OK (0) =#=#=#=
 * Passed: iso8601        - 2018-W01-1 - round-trip
 =#=#=#= Begin test: 2040-W01-7 =#=#=#=
 Date: 2040-01-08 00:00:00Z
 =#=#=#= End test: 2040-W01-7 - OK (0) =#=#=#=
 * Passed: iso8601        - 2040-W01-7
 =#=#=#= Begin test: 2040-W01-7 - round-trip =#=#=#=
 Date: 2040-W01-7 00:00:00Z
 =#=#=#= End test: 2040-W01-7 - round-trip - OK (0) =#=#=#=
 * Passed: iso8601        - 2040-W01-7 - round-trip
 =#=#=#= Begin test: 2040-W01-1 =#=#=#=
 Date: 2040-01-02 00:00:00Z
 =#=#=#= End test: 2040-W01-1 - OK (0) =#=#=#=
 * Passed: iso8601        - 2040-W01-1
 =#=#=#= Begin test: 2040-W01-1 - round-trip =#=#=#=
 Date: 2040-W01-1 00:00:00Z
 =#=#=#= End test: 2040-W01-1 - round-trip - OK (0) =#=#=#=
 * Passed: iso8601        - 2040-W01-1 - round-trip
 =#=#=#= Begin test: 2009-W53-07 =#=#=#=
 Date: 2009-W53-7 00:00:00Z
 =#=#=#= End test: 2009-W53-07 - OK (0) =#=#=#=
 * Passed: iso8601        - 2009-W53-07
 =#=#=#= Begin test: epoch + 2 Years 5 Months 6 Minutes =#=#=#=
 Date: 1970-01-01 00:00:00Z
 Duration:    2 years  5 months 360 seconds (6 minutes)
 Duration ends at: 1972-06-01 00:06:00Z
 =#=#=#= End test: epoch + 2 Years 5 Months 6 Minutes - OK (0) =#=#=#=
 * Passed: iso8601        - epoch + 2 Years 5 Months 6 Minutes
 =#=#=#= Begin test: 2009-01-31 + 1 Month =#=#=#=
 Date: 2009-01-31 00:00:00Z
 Duration:  1 month 
 Duration ends at: 2009-02-28 00:00:00Z
 =#=#=#= End test: 2009-01-31 + 1 Month - OK (0) =#=#=#=
 * Passed: iso8601        - 2009-01-31 + 1 Month
 =#=#=#= Begin test: 2009-01-31 + 2 Months =#=#=#=
 Date: 2009-01-31 00:00:00Z
 Duration:  2 months 
 Duration ends at: 2009-03-31 00:00:00Z
 =#=#=#= End test: 2009-01-31 + 2 Months - OK (0) =#=#=#=
 * Passed: iso8601        - 2009-01-31 + 2 Months
 =#=#=#= Begin test: 2009-01-31 + 3 Months =#=#=#=
 Date: 2009-01-31 00:00:00Z
 Duration:  3 months 
 Duration ends at: 2009-04-30 00:00:00Z
 =#=#=#= End test: 2009-01-31 + 3 Months - OK (0) =#=#=#=
 * Passed: iso8601        - 2009-01-31 + 3 Months
 =#=#=#= Begin test: 2009-03-31 - 1 Month =#=#=#=
 Date: 2009-03-31 00:00:00Z
 Duration: -1 months 
 Duration ends at: 2009-02-28 01:00:00 +01:00
 =#=#=#= End test: 2009-03-31 - 1 Month - OK (0) =#=#=#=
 * Passed: iso8601        - 2009-03-31 - 1 Month
 =#=#=#= Begin test: 2038-01-01 + 3 Months =#=#=#=
 Date: 2038-01-01 00:00:00Z
 Duration:  3 months 
 Duration ends at: 2038-04-01 00:00:00Z
 =#=#=#= End test: 2038-01-01 + 3 Months - OK (0) =#=#=#=
 * Passed: iso8601        - 2038-01-01 + 3 Months