diff --git a/Clocker/ClockerUnitTests/ClockerUnitTests.swift b/Clocker/ClockerUnitTests/ClockerUnitTests.swift
index 4229fce..208e309 100644
--- a/Clocker/ClockerUnitTests/ClockerUnitTests.swift
+++ b/Clocker/ClockerUnitTests/ClockerUnitTests.swift
@@ -107,6 +107,17 @@ class ClockerUnitTests: XCTestCase {
         XCTAssert(newDefaults != nil)
         XCTAssert(newDefaults?.count == oldCount + 1)
     }
+    
+    func testDecoding() {
+        let timezone = TimezoneData.customObject(from: nil)
+        XCTAssertNotNil(timezone)
+    }
+    
+    func testDescription() {
+        let timezoneData = TimezoneData(with: california)
+        XCTAssertFalse(timezoneData.description.isEmpty)
+        XCTAssertFalse(timezoneData.debugDescription.isEmpty)
+    }
 
     func testDeletingATimezone() {
         let defaults = UserDefaults.standard
@@ -243,17 +254,61 @@ class ClockerUnitTests: XCTestCase {
 
         dataObject.setShouldOverrideGlobalTimeFormat(11) // 12-hour with preceding zero and seconds
         XCTAssertTrue(dataObject.timezoneFormat(DataStore.shared().timezoneFormat()) == "hh:mm:ss")
+        
+        dataObject.setShouldOverrideGlobalTimeFormat(12) // 12-hour with preceding zero and seconds
+        XCTAssertTrue(dataObject.timezoneFormat(DataStore.shared().timezoneFormat()) == "epoch")
+    }
+    
+    func testSecondsDisplayForOverridenTimezone() {
+        let dataObject = TimezoneData(with: california)
+        UserDefaults.standard.set(NSNumber(value: 1), forKey: CLSelectedTimeZoneFormatKey) // Set to 24-Hour Format
+
+        // Test default behaviour
+        let timezoneWithSecondsKeys = [4,5,8,11]
+        for timezoneKey in timezoneWithSecondsKeys {
+            dataObject.setShouldOverrideGlobalTimeFormat(timezoneKey)
+            XCTAssertTrue(dataObject.shouldShowSeconds(DataStore.shared().timezoneFormat()))
+        }
+        
+        let timezoneWithoutSecondsKeys = [1,2,7,10]
+        for timezoneKey in timezoneWithoutSecondsKeys {
+            dataObject.setShouldOverrideGlobalTimeFormat(timezoneKey)
+            XCTAssertFalse(dataObject.shouldShowSeconds(DataStore.shared().timezoneFormat()))
+        }
+        
+        // Test wrong override timezone key
+        let wrongTimezoneKey = 88
+        dataObject.setShouldOverrideGlobalTimeFormat(wrongTimezoneKey)
+        XCTAssertFalse(dataObject.shouldShowSeconds(DataStore.shared().timezoneFormat()))
+        
+        // Test wrong global preference key
+        dataObject.setShouldOverrideGlobalTimeFormat(0)
+        XCTAssertFalse(dataObject.shouldShowSeconds(88))
+    }
+    
+    func testTimezone() {
+        let dataObject = TimezoneData(with: mumbai)
+        
+        XCTAssertEqual(dataObject.timezone(), "Asia/Calcutta")
+        
+        dataObject.isSystemTimezone = true
+        let autoupdatingTimezone = TimeZone.autoupdatingCurrent.identifier
+        XCTAssertEqual(dataObject.timezone(), autoupdatingTimezone)
+        
     }
 
     func testFormattedLabel() {
         let dataObject = TimezoneData(with: mumbai)
         XCTAssertTrue(dataObject.formattedTimezoneLabel() == "Ghar", "Incorrect custom label returned by model.")
 
-        dataObject.customLabel = nil
+        dataObject.setLabel("")
         XCTAssertTrue(dataObject.formattedTimezoneLabel() == "Mumbai", "Incorrect custom label returned by model.")
 
         dataObject.formattedAddress = nil
         XCTAssertTrue(dataObject.formattedTimezoneLabel() == "Asia", "Incorrect custom label returned by model.")
+        
+        dataObject.setLabel("Jogeshwari")
+        XCTAssertTrue(dataObject.formattedTimezoneLabel() == "Jogeshwari", "Incorrect custom label returned by model.")
     }
 
     func testEquality() {
diff --git a/Clocker/CoreModelKit/Sources/CoreModelKit/TimezoneData.swift b/Clocker/CoreModelKit/Sources/CoreModelKit/TimezoneData.swift
index fe5fb73..d2545e5 100644
--- a/Clocker/CoreModelKit/Sources/CoreModelKit/TimezoneData.swift
+++ b/Clocker/CoreModelKit/Sources/CoreModelKit/TimezoneData.swift
@@ -210,7 +210,7 @@ public class TimezoneData: NSObject, NSCoding {
         } else if shouldOverride == 12 {
             overrideFormat = .epochTime
         } else {
-            assertionFailure("Chosen a wrong timezone format")
+            print("Chosen a wrong timezone format")
         }
     }
 
@@ -225,16 +225,6 @@ public class TimezoneData: NSObject, NSCoding {
             return timezone
         }
 
-        if let name = formattedAddress, let placeIdentifier = placeID, let timezoneIdentifier = timezoneID {
-            let errorDictionary = [
-                "Formatted Address": name,
-                "Place Identifier": placeIdentifier,
-                "TimezoneID": timezoneIdentifier,
-            ]
-
-            Logger.log(object: errorDictionary, for: "Error fetching timezone() in TimezoneData")
-        }
-
         return TimeZone.autoupdatingCurrent.identifier
     }
 
@@ -290,13 +280,6 @@ public class TimezoneData: NSObject, NSCoding {
         return lhs.placeID == rhs.placeID
     }
 
-    public override func isEqual(to object: Any?) -> Bool {
-        if let other = object as? TimezoneData {
-            return placeID == other.placeID
-        }
-        return false
-    }
-
     public override func isEqual(_ object: Any?) -> Bool {
         guard let compared = object as? TimezoneData else {
             return false