'To UNIX Timestamp' operation now defaults to UTC instead of your local timezone.

src/core/config/OperationConfig.js

@@ -2223,7 +2223,7 @@ const OperationConfig = {
         ]
     },
     "To UNIX Timestamp": {
-        description: "Parses a datetime string and returns the corresponding UNIX timestamp.<br><br>e.g. <code>Mon 1 January 2001 11:00:00 UTC</code> becomes <code>978346800</code>",
+        description: "Parses a datetime string in UTC and returns the corresponding UNIX timestamp.<br><br>e.g. <code>Mon 1 January 2001 11:00:00</code> becomes <code>978346800</code>",
         run: DateTime.runToUnixTimestamp,
         inputType: "string",
         outputType: "number",
@@ -2232,6 +2232,11 @@ const OperationConfig = {
                 name: "Units",
                 type: "option",
                 value: DateTime.UNITS
+            },
+            {
+                name: "Treat as UTC",
+                type: "boolean",
+                value: DateTime.TREAT_AS_UTC
             }
         ]
     },

src/core/operations/DateTime.js

@@ -46,6 +46,12 @@ const DateTime = {
     },
 
 
+    /**
+     * @constant
+     * @default
+     */
+    TREAT_AS_UTC: true,
+
     /**
      * To UNIX Timestamp operation.
      *
@@ -55,7 +61,8 @@ const DateTime = {
      */
     runToUnixTimestamp: function(input, args) {
         let units = args[0],
-            d = moment(input);
+            treatAsUTC = args[1],
+            d = treatAsUTC ? moment.utc(input) : moment(input);
 
         if (units === "Seconds (s)") {
             return d.unix();