diff --git a/assets/views/rankingCalendar.jet.html b/assets/views/rankingCalendar.jet.html
index 397db4d..e535264 100644
--- a/assets/views/rankingCalendar.jet.html
+++ b/assets/views/rankingCalendar.jet.html
@@ -2,6 +2,8 @@
 {{- import "blocks/underlinenav" }}
 {{- block body() }}
 
+{{- Mode := isset(Queries.mode) ? Queries.mode : "daily" }}
+
 <div class="d-none">
   <p>Daily</p>
   <p>Weekly</p>
@@ -58,7 +60,7 @@
             <div class="d-flex thumbnail-wrapper bg-neutral-900 rounded overflow-hidden">
               {{ if day.DayNumber > 0 }}
                 {{ if day.ImageURL }}
-                  <a href="{{ day.ArtworkLink }}" class="text-decoration-none w-100 h-100 position-relative">
+                  <a href="/ranking?date={{ day.DateString }}&mode={{ Mode }}" class="text-decoration-none w-100 h-100 position-relative">
                     <img src="{{ day.ImageURL }}" alt="Day {{ day.DayNumber }}" class="w-100 h-100 object-fit-cover" />
                     <div class="position-absolute top-0 start-0 p-2">
                       <span class="text-white fw-bold bg-dark bg-opacity-75 rounded-pill px-2 py-1">{{ day.DayNumber }}</span>
@@ -106,7 +108,6 @@
           </div>
         </div>
 
-        {{- Mode := isset(Queries.mode) ? Queries.mode : "daily" }}
         {{- url := "/rankingCalendar?date=" + .ThisMonth.Link + "&mode=" }}
         <div class="row border-bottom border-2 mb-4">
           <div class="col-12 mb-4">
diff --git a/core/rankingCalendar.go b/core/rankingCalendar.go
index 7406aa0..12218ca 100644
--- a/core/rankingCalendar.go
+++ b/core/rankingCalendar.go
@@ -17,6 +17,7 @@ import (
 // DayCalendar represents the data for a single day in the ranking calendar
 type DayCalendar struct {
 	DayNumber   int    // The day of the month
+	DateString  string // Pixiv-compatible string that represents the date (format: YYYYMMDD)
 	ImageURL    string // Proxy URL to the image (optional, can be empty when no image is available)
 	ArtworkLink string // The link to the artwork page for this day
 }
@@ -63,7 +64,7 @@ func GetRankingCalendar(auditor *audit.Auditor, r *http.Request, mode string, ye
 	numDays := daysIn(time.Month(month), year)
 
 	// Add days of the month
-	calendar, dayCount = addDaysOfMonth(calendar, links, dayCount, numDays)
+	calendar, dayCount = addDaysOfMonth(calendar, links, dayCount, numDays, year, month)
 
 	// Add empty days after the last day to complete the week
 	calendar, dayCount = addEmptyDaysAfter(calendar, dayCount)
@@ -99,7 +100,7 @@ func addEmptyDaysBefore(calendar []DayCalendar, firstDay time.Time, dayCount int
 }
 
 // addDaysOfMonth adds the actual days of the month to the calendar.
-func addDaysOfMonth(calendar []DayCalendar, links []string, dayCount int, numDays int) ([]DayCalendar, int) {
+func addDaysOfMonth(calendar []DayCalendar, links []string, dayCount, numDays, year, month int) ([]DayCalendar, int) {
 	for i := 0; i < numDays; i++ {
 		day := DayCalendar{
 			DayNumber: i + 1,
@@ -111,6 +112,7 @@ func addDaysOfMonth(calendar []DayCalendar, links []string, dayCount int, numDay
 				day.ArtworkLink = fmt.Sprintf("/artworks/%s", artworkID)
 			}
 		}
+		day.DateString = fmt.Sprintf("%d%02d%02d", year, month, i + 1)
 		calendar = append(calendar, day)
 		dayCount++
 	}