diff --git a/src/locales/nl/constants.ts b/src/locales/nl/constants.ts
index bc1cdfdaa..2b11d2689 100644
--- a/src/locales/nl/constants.ts
+++ b/src/locales/nl/constants.ts
@@ -158,6 +158,8 @@ export const TIME_UNIT_DICTIONARY: { [word: string]: Timeunit } = {
     weken: "week",
     maand: "month",
     maanden: "month",
+    kwartaal: "quarter",
+    kwartalen: "quarter",
     jaar: "year",
     jr: "year",
     jaren: "year",
diff --git a/src/locales/nl/parsers/NLCasualDateParser.ts b/src/locales/nl/parsers/NLCasualDateParser.ts
index 666957343..fc93d6084 100644
--- a/src/locales/nl/parsers/NLCasualDateParser.ts
+++ b/src/locales/nl/parsers/NLCasualDateParser.ts
@@ -5,7 +5,7 @@ import * as references from "../../../common/casualReferences";
 
 export default class NLCasualDateParser extends AbstractParserWithWordBoundaryChecking {
     innerPattern(context: ParsingContext): RegExp {
-        return /(nu|vandaag|morgen|morgend|gisteren)(?=\W|$)/i;
+        return /(nu|vandaag|morgen|morgend|gisteren|gister)(?=\W|$)/i;
     }
 
     innerExtract(context: ParsingContext, match: RegExpMatchArray): ParsingComponents | ParsingResult {
@@ -24,6 +24,7 @@ export default class NLCasualDateParser extends AbstractParserWithWordBoundaryCh
                 return references.tomorrow(context.reference);
 
             case "gisteren":
+            case "gister":
                 return references.yesterday(context.reference);
         }
 
diff --git a/src/locales/nl/parsers/NLMonthNameMiddleEndianParser.ts b/src/locales/nl/parsers/NLMonthNameMiddleEndianParser.ts
index e30c89eb4..d58a949d0 100644
--- a/src/locales/nl/parsers/NLMonthNameMiddleEndianParser.ts
+++ b/src/locales/nl/parsers/NLMonthNameMiddleEndianParser.ts
@@ -10,7 +10,7 @@ const PATTERN = new RegExp(
     "(?:on\\s*?)?" +
         `(${ORDINAL_NUMBER_PATTERN})` +
         "(?:\\s*" +
-        "(?:tot|\\-|\\–|until|through|till|\\s)\\s*" +
+        "(?:tot en met|t\\/m|tot|\\-|\\–|until|through|till|\\s)\\s*" +
         `(${ORDINAL_NUMBER_PATTERN})` +
         ")?" +
         "(?:-|/|\\s*(?:of)?\\s*)" +
diff --git a/src/locales/nl/refiners/NLMergeDateRangeRefiner.ts b/src/locales/nl/refiners/NLMergeDateRangeRefiner.ts
index 9591afa04..3a0979a67 100644
--- a/src/locales/nl/refiners/NLMergeDateRangeRefiner.ts
+++ b/src/locales/nl/refiners/NLMergeDateRangeRefiner.ts
@@ -8,10 +8,12 @@ import AbstractMergeDateRangeRefiner from "../../../common/refiners/AbstractMerg
  * Merging before and after results (see. AbstractMergeDateRangeRefiner)
  * This implementation should provide Dutch connecting phases
  * - 2020-02-13 [tot] 2020-02-13
+ * - 2020-02-13 [t/m] 2020-02-13
+ * - 2020-02-13 [tot en met] 2020-02-13
  * - Wednesday [-] Friday
  */
 export default class NLMergeDateRangeRefiner extends AbstractMergeDateRangeRefiner {
     patternBetween(): RegExp {
-        return /^\s*(tot|-)\s*$/i;
+        return /^\s*(tot en met|t\/m|tot|-)\s*$/i;
     }
 }
diff --git a/test/nl/nl_casual.test.ts b/test/nl/nl_casual.test.ts
index 7bdfa0d09..3948a983b 100644
--- a/test/nl/nl_casual.test.ts
+++ b/test/nl/nl_casual.test.ts
@@ -61,6 +61,18 @@ test("Test - Single Expression", () => {
         expect(result.start).toBeDate(new Date(2012, 7, 9, 12));
     });
 
+    testSingleCase(chrono.nl, "De deadline was gister", new Date(2012, 7, 10, 12), (result) => {
+        expect(result.index).toBe(16);
+        expect(result.text).toBe("gister");
+
+        expect(result.start).not.toBeNull();
+        expect(result.start.get("year")).toBe(2012);
+        expect(result.start.get("month")).toBe(8);
+        expect(result.start.get("day")).toBe(9);
+
+        expect(result.start).toBeDate(new Date(2012, 7, 9, 12));
+    });
+
     testSingleCase(chrono.nl, "De Deadline was deze ochtend", new Date(2012, 7, 10, 12), (result) => {
         expect(result.index).toBe(16);
         expect(result.text).toBe("deze ochtend");
diff --git a/test/nl/nl_month_name_little_endian.test.ts b/test/nl/nl_month_name_little_endian.test.ts
index dc451d2e5..97329ceeb 100644
--- a/test/nl/nl_month_name_little_endian.test.ts
+++ b/test/nl/nl_month_name_little_endian.test.ts
@@ -179,6 +179,82 @@ test("Test - Range expression", () => {
         expect(result.end).toBeDate(new Date(2012, 8 - 1, 22, 12));
     });
 
+    testSingleCase(chrono.nl, "10 t/m 22 augustus 2012", new Date(2012, 7, 10), (result) => {
+        expect(result.index).toBe(0);
+        expect(result.text).toBe("10 t/m 22 augustus 2012");
+
+        expect(result.start).not.toBeNull();
+        expect(result.start.get("year")).toBe(2012);
+        expect(result.start.get("month")).toBe(8);
+        expect(result.start.get("day")).toBe(10);
+
+        expect(result.start).toBeDate(new Date(2012, 8 - 1, 10, 12));
+
+        expect(result.end).not.toBeNull();
+        expect(result.end.get("year")).toBe(2012);
+        expect(result.end.get("month")).toBe(8);
+        expect(result.end.get("day")).toBe(22);
+
+        expect(result.end).toBeDate(new Date(2012, 8 - 1, 22, 12));
+    });
+
+    testSingleCase(chrono.nl, "10 tot en met 22 augustus 2012", new Date(2012, 7, 10), (result) => {
+        expect(result.index).toBe(0);
+        expect(result.text).toBe("10 tot en met 22 augustus 2012");
+
+        expect(result.start).not.toBeNull();
+        expect(result.start.get("year")).toBe(2012);
+        expect(result.start.get("month")).toBe(8);
+        expect(result.start.get("day")).toBe(10);
+
+        expect(result.start).toBeDate(new Date(2012, 8 - 1, 10, 12));
+
+        expect(result.end).not.toBeNull();
+        expect(result.end.get("year")).toBe(2012);
+        expect(result.end.get("month")).toBe(8);
+        expect(result.end.get("day")).toBe(22);
+
+        expect(result.end).toBeDate(new Date(2012, 8 - 1, 22, 12));
+    });
+
+    testSingleCase(chrono.nl, "10 augustus t/m 12 september", new Date(2012, 7, 10), (result) => {
+        expect(result.index).toBe(0);
+        expect(result.text).toBe("10 augustus t/m 12 september");
+
+        expect(result.start).not.toBeNull();
+        expect(result.start.get("year")).toBe(2012);
+        expect(result.start.get("month")).toBe(8);
+        expect(result.start.get("day")).toBe(10);
+
+        expect(result.start).toBeDate(new Date(2012, 8 - 1, 10, 12));
+
+        expect(result.end).not.toBeNull();
+        expect(result.end.get("year")).toBe(2012);
+        expect(result.end.get("month")).toBe(9);
+        expect(result.end.get("day")).toBe(12);
+
+        expect(result.end).toBeDate(new Date(2012, 9 - 1, 12, 12));
+    });
+
+    testSingleCase(chrono.nl, "10 augustus tot en met 12 september", new Date(2012, 7, 10), (result) => {
+        expect(result.index).toBe(0);
+        expect(result.text).toBe("10 augustus tot en met 12 september");
+
+        expect(result.start).not.toBeNull();
+        expect(result.start.get("year")).toBe(2012);
+        expect(result.start.get("month")).toBe(8);
+        expect(result.start.get("day")).toBe(10);
+
+        expect(result.start).toBeDate(new Date(2012, 8 - 1, 10, 12));
+
+        expect(result.end).not.toBeNull();
+        expect(result.end.get("year")).toBe(2012);
+        expect(result.end.get("month")).toBe(9);
+        expect(result.end.get("day")).toBe(12);
+
+        expect(result.end).toBeDate(new Date(2012, 9 - 1, 12, 12));
+    });
+
     testSingleCase(chrono.nl, "10 augustus - 12 september", new Date(2012, 7, 10), (result) => {
         expect(result.index).toBe(0);
         expect(result.text).toBe("10 augustus - 12 september");
diff --git a/test/nl/nl_relative.test.ts b/test/nl/nl_relative.test.ts
index f99c9515d..7328804a9 100644
--- a/test/nl/nl_relative.test.ts
+++ b/test/nl/nl_relative.test.ts
@@ -67,6 +67,15 @@ test("Test - Past relative expressions", () => {
         expect(result.start.get("day")).toBe(24);
         expect(result.start.get("hour")).toBe(12);
     });
+
+    // last quarter
+    testSingleCase(chrono.nl, "afgelopen kwartaal", new Date(2016, 10 - 1, 1, 12), (result, text) => {
+        expect(result.text).toBe(text);
+        expect(result.start.get("year")).toBe(2016);
+        expect(result.start.get("month")).toBe(7);
+        expect(result.start.get("day")).toBe(1);
+        expect(result.start.get("hour")).toBe(12);
+    });
 });
 
 test("Test - Future relative expressions", () => {
@@ -125,6 +134,15 @@ test("Test - Future relative expressions", () => {
         expect(result.start.isCertain("hour")).toBe(false);
     });
 
+    // next quarter
+    testSingleCase(chrono.nl, "volgend kwartaal", new Date(2016, 10 - 1, 1, 12), (result, text) => {
+        expect(result.text).toBe(text);
+        expect(result.start.get("year")).toBe(2017);
+        expect(result.start.get("month")).toBe(1);
+        expect(result.start.get("day")).toBe(1);
+        expect(result.start.get("hour")).toBe(12);
+    });
+
     // next year
     testSingleCase(chrono.nl, "volgend jaar", new Date(2020, 11 - 1, 22, 12, 11, 32, 6), (result, text) => {
         expect(result.text).toBe(text);
diff --git a/test/nl/nl_time_units_later.test.ts b/test/nl/nl_time_units_later.test.ts
index f43667a67..ab5e55b3f 100644
--- a/test/nl/nl_time_units_later.test.ts
+++ b/test/nl/nl_time_units_later.test.ts
@@ -174,6 +174,19 @@ test("Test - From now Expression", () => {
         expect(result.start).toBeDate(new Date(2012, 8 - 1, 15));
     });
 
+    // 2 Quarters from now, we did something
+    testSingleCase(chrono.nl, "Over 2 kwartalen hebben we iets gedaan", new Date(2012, 7, 10), (result) => {
+        expect(result.start).not.toBeNull();
+        expect(result.start.get("year")).toBe(2013);
+        expect(result.start.get("month")).toBe(2);
+        expect(result.start.get("day")).toBe(10);
+
+        expect(result.index).toBe(0);
+        expect(result.text).toBe("Over 2 kwartalen");
+
+        expect(result.start).toBeDate(new Date(2013, 2 - 1, 10));
+    });
+
     // half An hour from now
     testSingleCase(chrono.nl, "   half uur vanaf nu", new Date(2012, 7, 10, 12, 14), (result) => {
         expect(result.index).toBe(3);