diff --git a/frontend/package.json b/frontend/package.json
index 3c8ab84..6ef11f6 100644
--- a/frontend/package.json
+++ b/frontend/package.json
@@ -22,7 +22,7 @@
     "react": "19.2.7",
     "react-dom": "19.2.7",
     "react-leaflet": "^5.0.0",
-    "suncalc": "^1.9.0",
+    "suncalc": "^2.0.1",
     "tailwind-merge": "^3.6.0",
     "uplot": "^1.6.32"
   },
diff --git a/frontend/pnpm-lock.yaml b/frontend/pnpm-lock.yaml
index 80b24bf..cea5547 100644
--- a/frontend/pnpm-lock.yaml
+++ b/frontend/pnpm-lock.yaml
@@ -44,8 +44,8 @@ importers:
         specifier: ^5.0.0
         version: 5.0.0(leaflet@1.9.4)(react-dom@19.2.7(react@19.2.7))(react@19.2.7)
       suncalc:
-        specifier: ^1.9.0
-        version: 1.9.0
+        specifier: ^2.0.1
+        version: 2.0.1
       tailwind-merge:
         specifier: ^3.6.0
         version: 3.6.0
@@ -2360,8 +2360,8 @@ packages:
     resolution: {integrity: sha512-lyuxPGr/Wfhrlem2CL/UcnUc1zcqKAImBDzukY7Y5F/yQiNdko6+fRLevlw1HgMySw7f611UIY408EtxRSoK3Q==}
     hasBin: true
 
-  lru-cache@11.5.1:
-    resolution: {integrity: sha512-RPimw/7aMdv2oqRrxKwvZXcPfwBrn/JZ2xYcY9Hus/6LaS3VOAKVWKWgNLCFSiOm1ESXinjsDlidVU7JlnCN2A==}
+  lru-cache@11.5.2:
+    resolution: {integrity: sha512-4pfM1Ff0x50o0tQwb5ucw/RzNyD0/YJME6IVcStalZuMWxdt3sR3huStTtxz4PUmvZfRguvDejasvQ2kifR11g==}
     engines: {node: 20 || >=22}
 
   lru-cache@5.1.1:
@@ -2581,6 +2581,10 @@ packages:
     resolution: {integrity: sha512-QP88BAKvMam/3NxH6vj2o21R6MjxZUAd6nlwAS/pnGvN9IVLocLHxGYIzFhg6fUQ+5th6P4dv4eW9jX3DSIj7A==}
     engines: {node: '>=12'}
 
+  picomatch@4.0.5:
+    resolution: {integrity: sha512-RvwwcruNjI1ncT5xRakeyS9Lf8lcItv34KD+aif+VH9kduAyfYBipGh12274xtenIPZ119/R9BdTBa8gAwSh0A==}
+    engines: {node: '>=12'}
+
   possible-typed-array-names@1.1.0:
     resolution: {integrity: sha512-/+5VFTchJDoVj3bhoqi6UeymcD00DAwb1nJwamzPvHEszJ4FpF6SNNbUbOS8yI56qHzdV8eK0qEfOSiodkTdxg==}
     engines: {node: '>= 0.4'}
@@ -2840,8 +2844,8 @@ packages:
       babel-plugin-macros:
         optional: true
 
-  suncalc@1.9.0:
-    resolution: {integrity: sha512-vMJ8Byp1uIPoj+wb9c1AdK4jpkSKVAywgHX0lqY7zt6+EWRRC3Z+0Ucfjy/0yxTVO1hwwchZe4uoFNqrIC24+A==}
+  suncalc@2.0.1:
+    resolution: {integrity: sha512-wjujU+HpsP1TUvN3/9dFkVQQCsMZbk7PkdZsASRJR4jVPHCm9Qy0FVkFTqXfs70Ag2yheN7ZUavzCyOjhJDGxQ==}
 
   supports-color@7.2.0:
     resolution: {integrity: sha512-qpCAvRl9stuOHveKsn7HncJRvv501qIacKzQlO/+Lwxc9+0q2wLyv4Dfvt80/DPn2pqOBsJdDiogXGR9+OvwRw==}
@@ -2886,19 +2890,19 @@ packages:
     resolution: {integrity: sha512-Bf+ILmBgretUrdJxzXM0SgXLZ3XfiaUuOj/IKQHuTXip+05Xn+uyEYdVg0kYDipTBcLrCVyUzAPz7QmArb0mmw==}
     engines: {node: '>=14.0.0'}
 
-  tldts-core@7.4.5:
-    resolution: {integrity: sha512-pGrwzZDvPwKe+7NNUqAunb6rqTfynr0VOUhCMdqbu5xlvNiszsAJygRzwvpVycdzejlbpY+SWJOn+s75Og7FEA==}
+  tldts-core@7.4.8:
+    resolution: {integrity: sha512-c1P7u0EhACHj7lPy4MJm8iTFEU8+nB0LCtddH0fhP7noaVoXAqafMtOOeX+ulpuPBqnrRgRhw494RICT3mbhnw==}
 
-  tldts@7.4.5:
-    resolution: {integrity: sha512-RfEzKWcq5fHUOFq7J3rl3Oz6ylKGtcHqUznzj4EcXsxLSIjJcvpbXAQtWGeJQ0xKnimR5e0Cn+cn9TssfMzm+g==}
+  tldts@7.4.8:
+    resolution: {integrity: sha512-htwgN/8KRB3z3vnC0BOETVh2m499g5GmyTK9Wq5JBLX3FNz6tSBveAd+fQhzy9hkjif8vy2jwDMR1sGhLtZl2A==}
     hasBin: true
 
   to-regex-range@5.0.1:
     resolution: {integrity: sha512-65P7iz6X5yEr1cwcgvQxbbIw7Uk3gOy5dIdtZ4rDveLqhrdJP+Li/Hx6tyK0NEb+2GCyneCMJiGqrADCSNk8sQ==}
     engines: {node: '>=8.0'}
 
-  tough-cookie@6.0.1:
-    resolution: {integrity: sha512-LktZQb3IeoUWB9lqR5EWTHgW/VTITCXg4D21M+lvybRVdylLrRMnqaIONLVb5mav8vM19m44HIcGq4qASeu2Qw==}
+  tough-cookie@6.0.2:
+    resolution: {integrity: sha512-exgYmnmL/sJpR3upZfXG5PoatXQii55xAiXGXzY+sROLZ/Y+SLcp9PgJNI9Vz37HpQ74WvDcLT8eqm+kV3FzrA==}
     engines: {node: '>=16'}
 
   tr46@6.0.0:
@@ -5034,6 +5038,10 @@ snapshots:
     optionalDependencies:
       picomatch: 4.0.4
 
+  fdir@6.5.0(picomatch@4.0.5):
+    optionalDependencies:
+      picomatch: 4.0.5
+
   figures@6.1.0:
     dependencies:
       is-unicode-supported: 2.1.0
@@ -5399,11 +5407,11 @@ snapshots:
       decimal.js: 10.6.0
       html-encoding-sniffer: 6.0.0
       is-potential-custom-element-name: 1.0.1
-      lru-cache: 11.5.1
+      lru-cache: 11.5.2
       parse5: 8.0.1
       saxes: 6.0.0
       symbol-tree: 3.2.4
-      tough-cookie: 6.0.1
+      tough-cookie: 6.0.2
       undici: 7.28.0
       w3c-xmlserializer: 5.0.0
       webidl-conversions: 8.0.1
@@ -5531,7 +5539,7 @@ snapshots:
     dependencies:
       js-tokens: 4.0.0
 
-  lru-cache@11.5.1:
+  lru-cache@11.5.2:
     optional: true
 
   lru-cache@5.1.1:
@@ -5777,6 +5785,8 @@ snapshots:
 
   picomatch@4.0.4: {}
 
+  picomatch@4.0.5: {}
+
   possible-typed-array-names@1.1.0: {}
 
   postcss@8.5.15:
@@ -6108,7 +6118,7 @@ snapshots:
     optionalDependencies:
       '@babel/core': 7.29.6
 
-  suncalc@1.9.0: {}
+  suncalc@2.0.1: {}
 
   supports-color@7.2.0:
     dependencies:
@@ -6138,26 +6148,26 @@ snapshots:
 
   tinyglobby@0.2.17:
     dependencies:
-      fdir: 6.5.0(picomatch@4.0.4)
-      picomatch: 4.0.4
+      fdir: 6.5.0(picomatch@4.0.5)
+      picomatch: 4.0.5
 
   tinyrainbow@3.1.0: {}
 
-  tldts-core@7.4.5:
+  tldts-core@7.4.8:
     optional: true
 
-  tldts@7.4.5:
+  tldts@7.4.8:
     dependencies:
-      tldts-core: 7.4.5
+      tldts-core: 7.4.8
     optional: true
 
   to-regex-range@5.0.1:
     dependencies:
       is-number: 7.0.0
 
-  tough-cookie@6.0.1:
+  tough-cookie@6.0.2:
     dependencies:
-      tldts: 7.4.5
+      tldts: 7.4.8
     optional: true
 
   tr46@6.0.0:
@@ -6304,7 +6314,7 @@ snapshots:
   vite@8.0.16(@types/node@26.0.1)(esbuild@0.28.1)(jiti@2.7.0)(yaml@2.8.3):
     dependencies:
       lightningcss: 1.32.0
-      picomatch: 4.0.4
+      picomatch: 4.0.5
       postcss: 8.5.15
       rolldown: 1.0.3
       tinyglobby: 0.2.17