diff --git a/chrome/content/zotero/xpcom/translation/translate.js b/chrome/content/zotero/xpcom/translation/translate.js
index 6ae3e08b0..2a452ae86 100644
--- a/chrome/content/zotero/xpcom/translation/translate.js
+++ b/chrome/content/zotero/xpcom/translation/translate.js
@@ -174,6 +174,18 @@ Zotero.Translate.Sandbox = {
 					}
 				}
 			}
+
+			if (item.version) {
+				translate._debug("Translate: item.version is deprecated; set item.versionNumber instead");
+				item.versionNumber = item.version;
+			}
+
+			if (item.accessDate) {
+				if (Zotero.Date.isSQLDateTime(item.accessDate)) {
+					translate._debug("Translate: Passing accessDate as SQL is deprecated; pass an ISO 8601 date instead");
+					item.accessDate = Zotero.Date.sqlToISO8601(item.accessDate);
+				}
+			}
 		
 			// Fire itemSaving event
 			translate._runHandler("itemSaving", item);
@@ -581,13 +593,13 @@ Zotero.Translate.Sandbox = {
 				}
 				
 				// automatically set library catalog
-				if(item.libraryCatalog === undefined) {
+				if(item.libraryCatalog === undefined && item.itemType != "webpage") {
 					item.libraryCatalog = translate.translator[0].label;
 				}
 							
 				// automatically set access date if URL is set
 				if(item.url && typeof item.accessDate == 'undefined') {
-					item.accessDate = "CURRENT_TIMESTAMP";
+					item.accessDate = Zotero.Date.dateToISO(new Date());
 				}
 				
 				//consider type-specific "title" alternatives
diff --git a/chrome/content/zotero/xpcom/translation/translate_item.js b/chrome/content/zotero/xpcom/translation/translate_item.js
index ec191aad5..76100b0d5 100644
--- a/chrome/content/zotero/xpcom/translation/translate_item.js
+++ b/chrome/content/zotero/xpcom/translation/translate_item.js
@@ -107,7 +107,6 @@ Zotero.Translate.ItemSaver.prototype = {
 								seeAlso:item.seeAlso,
 								id:item.itemID || item.id
 							};
-							if (item.version) item.versionNumber = item.version;
 							newItem.fromJSON(this._deleteIrrelevantFields(item));
 
 							// save item
diff --git a/test/content/support.js b/test/content/support.js
index b3b56f24b..d11cf6ef1 100644
--- a/test/content/support.js
+++ b/test/content/support.js
@@ -411,7 +411,7 @@ function generateAllTypesAndFieldsData() {
 	let specialValues = {
 		date: '1999-12-31',
 		filingDate: '2000-01-02',
-		accessDate: '1997-06-13 23:59:58',
+		accessDate: '1997-06-13T23:59:58',
 		number: 3,
 		numPages: 4,
 		issue: 5,
@@ -482,29 +482,8 @@ function populateDBWithSampleData(data) {
 	return Zotero.DB.executeTransaction(function* () {
 		for (let itemName in data) {
 			let item = data[itemName];
-			let zItem = new Zotero.Item(item.itemType);
-			for (let itemField in item) {
-				if (itemField == 'itemType') continue;
-				
-				if (itemField == 'creators') {
-					zItem.setCreators(item[itemField]);
-					continue;
-				}
-				
-				if (itemField == 'tags') {
-					// Must save item first
-					continue;
-				}
-				
-				zItem.setField(itemField, item[itemField]);
-			}
-			
-			if (item.tags && item.tags.length) {
-				for (let i=0; i<item.tags.length; i++) {
-					zItem.addTag(item.tags[i].tag, item.tags[i].type);
-				}
-			}
-
+			let zItem = new Zotero.Item;
+			zItem.fromJSON(item);
 			item.id = yield zItem.save();
 		}
 
diff --git a/test/tests/data/allTypesAndFields.js b/test/tests/data/allTypesAndFields.js
index 80a145c85..135e66165 100644
--- a/test/tests/data/allTypesAndFields.js
+++ b/test/tests/data/allTypesAndFields.js
@@ -1,7 +1,7 @@
 {
 	"artwork": {
 		"abstractNote": "Abstract note",
-		"accessDate": "1997-06-13 23:59:58",
+		"accessDate": "1997-06-13T23:59:58",
 		"archive": "Archive",
 		"archiveLocation": "Archive location",
 		"artworkSize": "Artwork size",
@@ -32,7 +32,7 @@
 	"audioRecording": {
 		"ISBN": "978-1-234-56789-7",
 		"abstractNote": "Abstract note",
-		"accessDate": "1997-06-13 23:59:58",
+		"accessDate": "1997-06-13T23:59:58",
 		"archive": "Archive",
 		"archiveLocation": "Archive location",
 		"callNumber": "Call number",
@@ -77,7 +77,7 @@
 	},
 	"bill": {
 		"abstractNote": "Abstract note",
-		"accessDate": "1997-06-13 23:59:58",
+		"accessDate": "1997-06-13T23:59:58",
 		"code": "Code",
 		"creators": [
 			{
@@ -114,7 +114,7 @@
 	},
 	"blogPost": {
 		"abstractNote": "Abstract note",
-		"accessDate": "1997-06-13 23:59:58",
+		"accessDate": "1997-06-13T23:59:58",
 		"creators": [
 			{
 				"creatorType": "author",
@@ -146,7 +146,7 @@
 	"book": {
 		"ISBN": "978-1-234-56789-7",
 		"abstractNote": "Abstract note",
-		"accessDate": "1997-06-13 23:59:58",
+		"accessDate": "1997-06-13T23:59:58",
 		"archive": "Archive",
 		"archiveLocation": "Archive location",
 		"callNumber": "Call number",
@@ -198,7 +198,7 @@
 	"bookSection": {
 		"ISBN": "978-1-234-56789-7",
 		"abstractNote": "Abstract note",
-		"accessDate": "1997-06-13 23:59:58",
+		"accessDate": "1997-06-13T23:59:58",
 		"archive": "Archive",
 		"archiveLocation": "Archive location",
 		"callNumber": "Call number",
@@ -255,7 +255,7 @@
 	},
 	"case": {
 		"abstractNote": "Abstract note",
-		"accessDate": "1997-06-13 23:59:58",
+		"accessDate": "1997-06-13T23:59:58",
 		"court": "Court",
 		"creators": [
 			{
@@ -291,7 +291,7 @@
 	"computerProgram": {
 		"ISBN": "978-1-234-56789-7",
 		"abstractNote": "Abstract note",
-		"accessDate": "1997-06-13 23:59:58",
+		"accessDate": "1997-06-13T23:59:58",
 		"archive": "Archive",
 		"archiveLocation": "Archive location",
 		"callNumber": "Call number",
@@ -326,7 +326,7 @@
 		"DOI": "10.1234/example.doi",
 		"ISBN": "978-1-234-56789-7",
 		"abstractNote": "Abstract note",
-		"accessDate": "1997-06-13 23:59:58",
+		"accessDate": "1997-06-13T23:59:58",
 		"archive": "Archive",
 		"archiveLocation": "Archive location",
 		"callNumber": "Call number",
@@ -377,7 +377,7 @@
 	"dictionaryEntry": {
 		"ISBN": "978-1-234-56789-7",
 		"abstractNote": "Abstract note",
-		"accessDate": "1997-06-13 23:59:58",
+		"accessDate": "1997-06-13T23:59:58",
 		"archive": "Archive",
 		"archiveLocation": "Archive location",
 		"callNumber": "Call number",
@@ -429,7 +429,7 @@
 	},
 	"document": {
 		"abstractNote": "Abstract note",
-		"accessDate": "1997-06-13 23:59:58",
+		"accessDate": "1997-06-13T23:59:58",
 		"archive": "Archive",
 		"archiveLocation": "Archive location",
 		"callNumber": "Call number",
@@ -473,7 +473,7 @@
 	},
 	"email": {
 		"abstractNote": "Abstract note",
-		"accessDate": "1997-06-13 23:59:58",
+		"accessDate": "1997-06-13T23:59:58",
 		"creators": [
 			{
 				"creatorType": "author",
@@ -503,7 +503,7 @@
 	"encyclopediaArticle": {
 		"ISBN": "978-1-234-56789-7",
 		"abstractNote": "Abstract note",
-		"accessDate": "1997-06-13 23:59:58",
+		"accessDate": "1997-06-13T23:59:58",
 		"archive": "Archive",
 		"archiveLocation": "Archive location",
 		"callNumber": "Call number",
@@ -555,7 +555,7 @@
 	},
 	"film": {
 		"abstractNote": "Abstract note",
-		"accessDate": "1997-06-13 23:59:58",
+		"accessDate": "1997-06-13T23:59:58",
 		"archive": "Archive",
 		"archiveLocation": "Archive location",
 		"callNumber": "Call number",
@@ -597,7 +597,7 @@
 	},
 	"forumPost": {
 		"abstractNote": "Abstract note",
-		"accessDate": "1997-06-13 23:59:58",
+		"accessDate": "1997-06-13T23:59:58",
 		"creators": [
 			{
 				"creatorType": "author",
@@ -623,7 +623,7 @@
 	},
 	"hearing": {
 		"abstractNote": "Abstract note",
-		"accessDate": "1997-06-13 23:59:58",
+		"accessDate": "1997-06-13T23:59:58",
 		"committee": "Committee",
 		"creators": [
 			{
@@ -651,7 +651,7 @@
 	},
 	"instantMessage": {
 		"abstractNote": "Abstract note",
-		"accessDate": "1997-06-13 23:59:58",
+		"accessDate": "1997-06-13T23:59:58",
 		"creators": [
 			{
 				"creatorType": "author",
@@ -680,7 +680,7 @@
 	},
 	"interview": {
 		"abstractNote": "Abstract note",
-		"accessDate": "1997-06-13 23:59:58",
+		"accessDate": "1997-06-13T23:59:58",
 		"archive": "Archive",
 		"archiveLocation": "Archive location",
 		"callNumber": "Call number",
@@ -721,7 +721,7 @@
 		"DOI": "10.1234/example.doi",
 		"ISSN": "1234-5679",
 		"abstractNote": "Abstract note",
-		"accessDate": "1997-06-13 23:59:58",
+		"accessDate": "1997-06-13T23:59:58",
 		"archive": "Archive",
 		"archiveLocation": "Archive location",
 		"callNumber": "Call number",
@@ -772,7 +772,7 @@
 	},
 	"letter": {
 		"abstractNote": "Abstract note",
-		"accessDate": "1997-06-13 23:59:58",
+		"accessDate": "1997-06-13T23:59:58",
 		"archive": "Archive",
 		"archiveLocation": "Archive location",
 		"callNumber": "Call number",
@@ -807,7 +807,7 @@
 	"magazineArticle": {
 		"ISSN": "1234-5679",
 		"abstractNote": "Abstract note",
-		"accessDate": "1997-06-13 23:59:58",
+		"accessDate": "1997-06-13T23:59:58",
 		"archive": "Archive",
 		"archiveLocation": "Archive location",
 		"callNumber": "Call number",
@@ -849,7 +849,7 @@
 	},
 	"manuscript": {
 		"abstractNote": "Abstract note",
-		"accessDate": "1997-06-13 23:59:58",
+		"accessDate": "1997-06-13T23:59:58",
 		"archive": "Archive",
 		"archiveLocation": "Archive location",
 		"callNumber": "Call number",
@@ -886,7 +886,7 @@
 	"map": {
 		"ISBN": "978-1-234-56789-7",
 		"abstractNote": "Abstract note",
-		"accessDate": "1997-06-13 23:59:58",
+		"accessDate": "1997-06-13T23:59:58",
 		"archive": "Archive",
 		"archiveLocation": "Archive location",
 		"callNumber": "Call number",
@@ -926,7 +926,7 @@
 	"newspaperArticle": {
 		"ISSN": "1234-5679",
 		"abstractNote": "Abstract note",
-		"accessDate": "1997-06-13 23:59:58",
+		"accessDate": "1997-06-13T23:59:58",
 		"archive": "Archive",
 		"archiveLocation": "Archive location",
 		"callNumber": "Call number",
@@ -969,7 +969,7 @@
 	},
 	"patent": {
 		"abstractNote": "Abstract note",
-		"accessDate": "1997-06-13 23:59:58",
+		"accessDate": "1997-06-13T23:59:58",
 		"applicationNumber": "Application number",
 		"assignee": "Assignee",
 		"country": "Country",
@@ -1009,7 +1009,7 @@
 	},
 	"podcast": {
 		"abstractNote": "Abstract note",
-		"accessDate": "1997-06-13 23:59:58",
+		"accessDate": "1997-06-13T23:59:58",
 		"creators": [
 			{
 				"creatorType": "podcaster",
@@ -1041,7 +1041,7 @@
 	},
 	"presentation": {
 		"abstractNote": "Abstract note",
-		"accessDate": "1997-06-13 23:59:58",
+		"accessDate": "1997-06-13T23:59:58",
 		"creators": [
 			{
 				"creatorType": "presenter",
@@ -1068,7 +1068,7 @@
 	},
 	"radioBroadcast": {
 		"abstractNote": "Abstract note",
-		"accessDate": "1997-06-13 23:59:58",
+		"accessDate": "1997-06-13T23:59:58",
 		"archive": "Archive",
 		"archiveLocation": "Archive location",
 		"callNumber": "Call number",
@@ -1122,7 +1122,7 @@
 	},
 	"report": {
 		"abstractNote": "Abstract note",
-		"accessDate": "1997-06-13 23:59:58",
+		"accessDate": "1997-06-13T23:59:58",
 		"archive": "Archive",
 		"archiveLocation": "Archive location",
 		"callNumber": "Call number",
@@ -1166,7 +1166,7 @@
 	},
 	"statute": {
 		"abstractNote": "Abstract note",
-		"accessDate": "1997-06-13 23:59:58",
+		"accessDate": "1997-06-13T23:59:58",
 		"code": "Code",
 		"codeNumber": "Code number",
 		"creators": [
@@ -1197,7 +1197,7 @@
 	},
 	"thesis": {
 		"abstractNote": "Abstract note",
-		"accessDate": "1997-06-13 23:59:58",
+		"accessDate": "1997-06-13T23:59:58",
 		"archive": "Archive",
 		"archiveLocation": "Archive location",
 		"callNumber": "Call number",
@@ -1229,7 +1229,7 @@
 	},
 	"tvBroadcast": {
 		"abstractNote": "Abstract note",
-		"accessDate": "1997-06-13 23:59:58",
+		"accessDate": "1997-06-13T23:59:58",
 		"archive": "Archive",
 		"archiveLocation": "Archive location",
 		"callNumber": "Call number",
@@ -1284,7 +1284,7 @@
 	"videoRecording": {
 		"ISBN": "978-1-234-56789-7",
 		"abstractNote": "Abstract note",
-		"accessDate": "1997-06-13 23:59:58",
+		"accessDate": "1997-06-13T23:59:58",
 		"archive": "Archive",
 		"archiveLocation": "Archive location",
 		"callNumber": "Call number",
@@ -1334,7 +1334,7 @@
 	},
 	"webpage": {
 		"abstractNote": "Abstract note",
-		"accessDate": "1997-06-13 23:59:58",
+		"accessDate": "1997-06-13T23:59:58",
 		"creators": [
 			{
 				"creatorType": "author",
diff --git a/test/tests/data/journalArticle.js b/test/tests/data/journalArticle.js
index 7af20cbc7..e145c9866 100644
--- a/test/tests/data/journalArticle.js
+++ b/test/tests/data/journalArticle.js
@@ -3,7 +3,7 @@
 		"DOI": "10.1234/example.doi",
 		"ISSN": "1234-5679",
 		"abstractNote": "Abstract note",
-		"accessDate": "1997-06-13 23:59:58",
+		"accessDate": "1997-06-13T23:59:58Z",
 		"archive": "Archive",
 		"archiveLocation": "Archive location",
 		"callNumber": "Call number",
diff --git a/test/tests/supportTest.js b/test/tests/supportTest.js
index f929ecc0a..3afe81cf1 100644
--- a/test/tests/supportTest.js
+++ b/test/tests/supportTest.js
@@ -41,7 +41,9 @@ describe("Support Functions for Unit Testing", function() {
 					if (skipFields.indexOf(prop) != -1) continue;
 					
 					// Using base-mapped fields
-					assert.equal(item[prop], zItem.getField(prop, false, true), 'inserted item property has the same value as sample data');
+					let field = zItem.getField(prop, false, true);
+					if (prop === "accessDate") field = Zotero.Date.sqlToISO8601(field);
+					assert.equal(field, item[prop], 'inserted item property has the same value as sample data');
 				}
 				
 				if (item.creators) {
diff --git a/test/tests/translateTest.js b/test/tests/translateTest.js
index 7a47b4769..69844c34d 100644
--- a/test/tests/translateTest.js
+++ b/test/tests/translateTest.js
@@ -183,6 +183,16 @@ describe("Zotero.Translate", function() {
 			assert.deepEqual(savedItems, trueItems, "saved items match inputs");
 		});
 
+		it('should accept deprecated SQL accessDates', function* () {
+			let myItem = {
+				"itemType":"webpage",
+				"title":"Test Item",
+				"accessDate":"2015-01-02 03:04:05"
+			}
+			let newItems = yield saveItemsThroughTranslator("import", [myItem]);
+			assert.equal(newItems[0].getField("accessDate"), "2015-01-02 03:04:05");
+		});
+
 		it('should save tags', function* () {
 			let myItem = {
 				"itemType":"book",
@@ -392,6 +402,19 @@ describe("Zotero.Translate", function() {
 			assert.equal(newItems[0].getAttachments().length, 0);
 		});
 
+		it('web translators should set accessDate to current date', function* () {
+			let myItem = {
+				"itemType":"webpage",
+				"title":"Test Item",
+				"url":"http://www.zotero.org/"
+			};
+			let newItems = yield saveItemsThroughTranslator("web", [myItem]);
+			let currentDate = new Date();
+			let delta = currentDate - Zotero.Date.sqlToDate(newItems[0].getField("accessDate"), true);
+			assert.isAbove(delta, -500);
+			assert.isBelow(delta, 5000);
+		});
+
 		it('web translators should save attachments', function* () {
 			let myItems = [
 				{