diff --git a/app/Console/Kernel.php b/app/Console/Kernel.php
index f84fc6808c7d..3eac98dc73c6 100644
--- a/app/Console/Kernel.php
+++ b/app/Console/Kernel.php
@@ -52,7 +52,7 @@ class Kernel extends ConsoleKernel
 
         $schedule->command('ninja:check-data --database=db-ninja-01')->daily()->withoutOverlapping();
 
-        $schedule->job(new ReminderJob)->daily()->withoutOverlapping();
+        $schedule->job(new ReminderJob)->hourly()->withoutOverlapping();
 
         $schedule->job(new CompanySizeCheck)->daily()->withoutOverlapping();
 
diff --git a/app/Http/Controllers/RecurringInvoiceController.php b/app/Http/Controllers/RecurringInvoiceController.php
index 2a1751813dbb..c50c239ed196 100644
--- a/app/Http/Controllers/RecurringInvoiceController.php
+++ b/app/Http/Controllers/RecurringInvoiceController.php
@@ -206,11 +206,9 @@ class RecurringInvoiceController extends BaseController
 
         event(new RecurringInvoiceWasCreated($recurring_invoice, $recurring_invoice->company, Ninja::eventVars(auth()->user() ? auth()->user()->id : null)));
 
-            
         $offset = $recurring_invoice->client->timezone_offset();
-        $recurring_invoice->next_send_date = Carbon::parse($recurring_invoice->next_send_date)->addSeconds($offset);
+        $recurring_invoice->next_send_date = Carbon::parse($recurring_invoice->next_send_date)->startOfDay()->addSeconds($offset);
         $recurring_invoice->save();
-        
 
         return $this->itemResponse($recurring_invoice);
     }
diff --git a/app/Jobs/Ninja/SendReminders.php b/app/Jobs/Ninja/SendReminders.php
index 5b7f58da2dba..45d6db5c92c0 100644
--- a/app/Jobs/Ninja/SendReminders.php
+++ b/app/Jobs/Ninja/SendReminders.php
@@ -178,16 +178,17 @@ class SendReminders implements ShouldQueue
      */
     private function calculateScheduledDate($invoice, $schedule_reminder, $num_days_reminder) :?Carbon
     {
+        $offset = $invoice->client->timezone_offset();
 
         switch ($schedule_reminder) {
             case 'after_invoice_date':
-                return Carbon::parse($invoice->date)->addDays($num_days_reminder)->startOfDay();
+                return Carbon::parse($invoice->date)->addDays($num_days_reminder)->startOfDay()->addSeconds($offset);
                 break;
             case 'before_due_date':
-                return Carbon::parse($invoice->due_date)->subDays($num_days_reminder)->startOfDay();
+                return Carbon::parse($invoice->due_date)->subDays($num_days_reminder)->startOfDay()->addSeconds($offset);
                 break;
             case 'after_due_date':
-                return Carbon::parse($invoice->due_date)->addDays($num_days_reminder)->startOfDay();
+                return Carbon::parse($invoice->due_date)->addDays($num_days_reminder)->startOfDay()->addSeconds($offset);
                 break;
             default:
                 return null;
diff --git a/app/Jobs/RecurringInvoice/SendRecurring.php b/app/Jobs/RecurringInvoice/SendRecurring.php
index ab8c65bc8652..0fc68bbea707 100644
--- a/app/Jobs/RecurringInvoice/SendRecurring.php
+++ b/app/Jobs/RecurringInvoice/SendRecurring.php
@@ -70,9 +70,9 @@ class SendRecurring implements ShouldQueue
 
         nlog("updating recurring invoice dates");
         /* Set next date here to prevent a recurring loop forming */
-        $this->recurring_invoice->next_send_date = $this->recurring_invoice->nextSendDate()->format('Y-m-d');
+        $this->recurring_invoice->next_send_date = $this->recurring_invoice->nextSendDate();
         $this->recurring_invoice->remaining_cycles = $this->recurring_invoice->remainingCycles();
-        $this->recurring_invoice->last_sent_date = date('Y-m-d');
+        $this->recurring_invoice->last_sent_date = now();
 
         /* Set completed if we don't have any more cycles remaining*/
         if ($this->recurring_invoice->remaining_cycles == 0) {
diff --git a/app/Jobs/Util/ReminderJob.php b/app/Jobs/Util/ReminderJob.php
index 7d8b427e5dcb..8a53bd0a50ae 100644
--- a/app/Jobs/Util/ReminderJob.php
+++ b/app/Jobs/Util/ReminderJob.php
@@ -53,7 +53,7 @@ class ReminderJob implements ShouldQueue
 
     private function processReminders()
     {
-        Invoice::where('next_send_date', Carbon::today()->format('Y-m-d'))->with('invitations')->cursor()->each(function ($invoice) {
+        Invoice::whereDate('next_send_date', '<=', now())->with('invitations')->cursor()->each(function ($invoice) {
 
             if ($invoice->isPayable()) {
                 $reminder_template = $invoice->calculateTemplate('invoice');
diff --git a/app/Models/Account.php b/app/Models/Account.php
index 268317681fa7..201add658429 100644
--- a/app/Models/Account.php
+++ b/app/Models/Account.php
@@ -105,9 +105,6 @@ class Account extends BaseModel
         return $this->hasOne(Company::class, 'id', 'default_company_id');
     }
 
-    /**
-     * @return BelongsTo
-     */
     public function payment()
     {
         return $this->belongsTo(Payment::class)->withTrashed();
@@ -323,4 +320,5 @@ class Account extends BaseModel
             ];
         }
     }
+
 }
diff --git a/app/Models/RecurringInvoice.php b/app/Models/RecurringInvoice.php
index c8db14421780..31ec610d3d09 100644
--- a/app/Models/RecurringInvoice.php
+++ b/app/Models/RecurringInvoice.php
@@ -256,31 +256,33 @@ class RecurringInvoice extends BaseModel
 
     public function nextDateByFrequency($date)
     {
+        $offset = $this->client->timezone_offset();
+
         switch ($this->frequency_id) {
             case self::FREQUENCY_DAILY:
-                return Carbon::parse($date)->addDay();
+                return Carbon::parse($date)->startOfDay()->addDay()->addSeconds($offset);
             case self::FREQUENCY_WEEKLY:
-                return Carbon::parse($date)->addWeek();
+                return Carbon::parse($date)->startOfDay()->addWeek()->addSeconds($offset);
             case self::FREQUENCY_TWO_WEEKS:
-                return Carbon::parse($date)->addWeeks(2);
+                return Carbon::parse($date)->startOfDay()->addWeeks(2)->addSeconds($offset);
             case self::FREQUENCY_FOUR_WEEKS:
-                return Carbon::parse($date)->addWeeks(4);
+                return Carbon::parse($date)->startOfDay()->addWeeks(4)->addSeconds($offset);
             case self::FREQUENCY_MONTHLY:
-                return Carbon::parse($date)->addMonthNoOverflow();
+                return Carbon::parse($date)->startOfDay()->addMonthNoOverflow()->addSeconds($offset);
             case self::FREQUENCY_TWO_MONTHS:
-                return Carbon::parse($date)->addMonthsNoOverflow(2);
+                return Carbon::parse($date)->startOfDay()->addMonthsNoOverflow(2)->addSeconds($offset);
             case self::FREQUENCY_THREE_MONTHS:
-                return Carbon::parse($date)->addMonthsNoOverflow(3);
+                return Carbon::parse($date)->startOfDay()->addMonthsNoOverflow(3)->addSeconds($offset);
             case self::FREQUENCY_FOUR_MONTHS:
-                return Carbon::parse($date)->addMonthsNoOverflow(4);
+                return Carbon::parse($date)->startOfDay()->addMonthsNoOverflow(4)->addSeconds($offset);
             case self::FREQUENCY_SIX_MONTHS:
-                return Carbon::parse($date)->addMonthsNoOverflow(6);
+                return Carbon::parse($date)->addMonthsNoOverflow(6)->addSeconds($offset);
             case self::FREQUENCY_ANNUALLY:
-                return Carbon::parse($date)->addYear();
+                return Carbon::parse($date)->startOfDay()->addYear()->addSeconds($offset);
             case self::FREQUENCY_TWO_YEARS:
-                return Carbon::parse($date)->addYears(2);
+                return Carbon::parse($date)->startOfDay()->addYears(2)->addSeconds($offset);
             case self::FREQUENCY_THREE_YEARS:
-                return Carbon::parse($date)->addYears(3);
+                return Carbon::parse($date)->startOfDay()->addYears(3)->addSeconds($offset);
             default:
                 return null;
         }
diff --git a/app/Services/Invoice/UpdateReminder.php b/app/Services/Invoice/UpdateReminder.php
index 99a826ddfc22..5f2090a4cdc4 100644
--- a/app/Services/Invoice/UpdateReminder.php
+++ b/app/Services/Invoice/UpdateReminder.php
@@ -41,87 +41,89 @@ class UpdateReminder extends AbstractService
             return $this->invoice; //exit early
         }
 
+        $offset = $this->invoice->client->timezone_offset();
+
         $date_collection = collect();
 
         if (is_null($this->invoice->reminder1_sent) &&
             $this->settings->schedule_reminder1 == 'after_invoice_date' &&
             $this->settings->num_days_reminder1 > 0) {
-            $reminder_date = Carbon::parse($this->invoice->date)->addDays($this->settings->num_days_reminder1);
+            $reminder_date = Carbon::parse($this->invoice->date)->startOfDay()->addDays($this->settings->num_days_reminder1)->addSeconds($offset);
 
             if ($reminder_date->gt(Carbon::parse($this->invoice->next_send_date)));
-                $date_collection->push($reminder_date->format('Y-m-d'));
+                $date_collection->push($reminder_date);
         }
 
         if (is_null($this->invoice->reminder1_sent) &&
             $this->settings->schedule_reminder1 == 'before_due_date' &&
             $this->settings->num_days_reminder1 > 0) {
-            $reminder_date = Carbon::parse($this->invoice->due_date)->subDays($this->settings->num_days_reminder1);
+            $reminder_date = Carbon::parse($this->invoice->due_date)->startOfDay()->subDays($this->settings->num_days_reminder1)->addSeconds($offset);
 
             if ($reminder_date->gt(Carbon::parse($this->invoice->next_send_date)));
-                $date_collection->push($reminder_date->format('Y-m-d')); 
+                $date_collection->push($reminder_date); 
         }
 
         if (is_null($this->invoice->reminder1_sent) &&
             $this->settings->schedule_reminder1 == 'after_due_date' &&
             $this->settings->num_days_reminder1 > 0) {
-            $reminder_date = Carbon::parse($this->invoice->due_date)->addDays($this->settings->num_days_reminder1);
+            $reminder_date = Carbon::parse($this->invoice->due_date)->startOfDay()->addDays($this->settings->num_days_reminder1)->addSeconds($offset);
 
             if ($reminder_date->gt(Carbon::parse($this->invoice->next_send_date)));
-                $date_collection->push($reminder_date->format('Y-m-d'));  
+                $date_collection->push($reminder_date);  
         }
 
         if (is_null($this->invoice->reminder2_sent) &&
             $this->settings->schedule_reminder2 == 'after_invoice_date' &&
             $this->settings->num_days_reminder2 > 0) {
-            $reminder_date = Carbon::parse($this->invoice->date)->addDays($this->settings->num_days_reminder2);
+            $reminder_date = Carbon::parse($this->invoice->date)->startOfDay()->addDays($this->settings->num_days_reminder2)->addSeconds($offset);
 
             if ($reminder_date->gt(Carbon::parse($this->invoice->next_send_date)));
-                $date_collection->push($reminder_date->format('Y-m-d')); 
+                $date_collection->push($reminder_date); 
         }
 
         if (is_null($this->invoice->reminder2_sent) &&
             $this->settings->schedule_reminder2 == 'before_due_date' &&
             $this->settings->num_days_reminder2 > 0) {
-            $reminder_date = Carbon::parse($this->invoice->due_date)->subDays($this->settings->num_days_reminder2);
+            $reminder_date = Carbon::parse($this->invoice->due_date)->startOfDay()->subDays($this->settings->num_days_reminder2)->addSeconds($offset);
 
             if ($reminder_date->gt(Carbon::parse($this->invoice->next_send_date)));
-                $date_collection->push($reminder_date->format('Y-m-d')); 
+                $date_collection->push($reminder_date); 
         }
 
         if (is_null($this->invoice->reminder2_sent) &&
             $this->settings->schedule_reminder2 == 'after_due_date' &&
             $this->settings->num_days_reminder2 > 0) {
-            $reminder_date = Carbon::parse($this->invoice->due_date)->addDays($this->settings->num_days_reminder2);
+            $reminder_date = Carbon::parse($this->invoice->due_date)->startOfDay()->addDays($this->settings->num_days_reminder2)->addSeconds($offset);
 
             if ($reminder_date->gt(Carbon::parse($this->invoice->next_send_date)));
-                $date_collection->push($reminder_date->format('Y-m-d')); 
+                $date_collection->push($reminder_date); 
         }
 
         if (is_null($this->invoice->reminder3_sent) &&
             $this->settings->schedule_reminder3 == 'after_invoice_date' &&
             $this->settings->num_days_reminder3 > 0) {
-            $reminder_date = Carbon::parse($this->invoice->date)->addDays($this->settings->num_days_reminder3);
+            $reminder_date = Carbon::parse($this->invoice->date)->startOfDay()->addDays($this->settings->num_days_reminder3)->addSeconds($offset);
 
             if ($reminder_date->gt(Carbon::parse($this->invoice->next_send_date)));
-                $date_collection->push($reminder_date->format('Y-m-d')); 
+                $date_collection->push($reminder_date); 
         }
 
         if (is_null($this->invoice->reminder3_sent) &&
             $this->settings->schedule_reminder3 == 'before_due_date' &&
             $this->settings->num_days_reminder3 > 0) {
-            $reminder_date = Carbon::parse($this->invoice->due_date)->subDays($this->settings->num_days_reminder3);
+            $reminder_date = Carbon::parse($this->invoice->due_date)->startOfDay()->subDays($this->settings->num_days_reminder3)->addSeconds($offset);
 
             if ($reminder_date->gt(Carbon::parse($this->invoice->next_send_date)));
-                $date_collection->push($reminder_date->format('Y-m-d')); 
+                $date_collection->push($reminder_date); 
         }
 
         if (is_null($this->invoice->reminder3_sent) &&
             $this->settings->schedule_reminder3 == 'after_due_date' &&
             $this->settings->num_days_reminder3 > 0) {
-            $reminder_date = Carbon::parse($this->invoice->due_date)->addDays($this->settings->num_days_reminder3);
+            $reminder_date = Carbon::parse($this->invoice->due_date)->startOfDay()->addDays($this->settings->num_days_reminder3)->addSeconds($offset);
 
             if ($reminder_date->gt(Carbon::parse($this->invoice->next_send_date)));
-                $date_collection->push($reminder_date->format('Y-m-d')); 
+                $date_collection->push($reminder_date); 
         }
 
         $this->invoice->next_send_date = $date_collection->sort()->first();
diff --git a/database/migrations/2021_06_10_221012_add_ninja_portal_column_to_accounts_table.php b/database/migrations/2021_06_10_221012_add_ninja_portal_column_to_accounts_table.php
new file mode 100644
index 000000000000..1439d794f6f0
--- /dev/null
+++ b/database/migrations/2021_06_10_221012_add_ninja_portal_column_to_accounts_table.php
@@ -0,0 +1,30 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+class AddNinjaPortalColumnToAccountsTable extends Migration
+{
+    /**
+     * Run the migrations.
+     *
+     * @return void
+     */
+    public function up()
+    {
+        Schema::table('accounts', function (Blueprint $table) {
+            $table->text('ninja_portal_url')->default('');
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     *
+     * @return void
+     */
+    public function down()
+    {
+
+    }
+}
diff --git a/tests/Feature/ReminderTest.php b/tests/Feature/ReminderTest.php
index 3651be8c7f5b..1dc98494c202 100644
--- a/tests/Feature/ReminderTest.php
+++ b/tests/Feature/ReminderTest.php
@@ -77,7 +77,7 @@ class ReminderTest extends TestCase
         $this->invoice->service()->markSent();
         $this->invoice->service()->setReminder($settings)->save();
 
-        $this->assertEquals($this->invoice->next_send_date, Carbon::now()->addDays(7)->format('Y-m-d'));
+        $this->assertEquals(Carbon::parse($this->invoice->next_send_date)->format('Y-m-d'), Carbon::now()->addDays(7)->format('Y-m-d'));
 
      //   ReminderJob::dispatchNow();
     }
@@ -106,7 +106,7 @@ class ReminderTest extends TestCase
 
         $this->invoice->fresh();
 
-        $this->assertEquals($this->invoice->next_send_date, now()->format('Y-m-d'));
+        $this->assertEquals(Carbon::parse($this->invoice->next_send_date)->format('Y-m-d'), now()->format('Y-m-d'));
         
     }
 
@@ -136,7 +136,7 @@ class ReminderTest extends TestCase
 
         $this->invoice->fresh();
         
-        $this->assertEquals($this->invoice->next_send_date, now()->format('Y-m-d'));
+        $this->assertEquals(Carbon::parse($this->invoice->next_send_date)->format('Y-m-d'), now()->format('Y-m-d'));
         
     }