chore: Update date formatting in AdventureCard and CollectionCard components

frontend/src/lib/components/AdventureCard.svelte

@@ -163,7 +163,7 @@
 		{#if adventure.date && adventure.date !== ''}
 			<div class="inline-flex items-center">
 				<Calendar class="w-5 h-5 mr-1" />
-				<p>{new Date(adventure.date).toLocaleDateString()}</p>
+				<p>{new Date(adventure.date).toLocaleDateString('en-US', { timeZone: 'UTC' })}</p>
 			</div>
 		{/if}
 		{#if adventure.activity_types && adventure.activity_types.length > 0}

frontend/src/lib/components/CollectionCard.svelte

@@ -58,7 +58,7 @@
 				Duration: {Math.floor(
 					(new Date(collection.end_date).getTime() - new Date(collection.start_date).getTime()) /
 						(1000 * 60 * 60 * 24)
-				)}{' '}
+				) + 1}{' '}
 				days
 			</p>{/if}
 		<div class="card-actions justify-end">