diff --git a/.idea/vcs.xml b/.idea/vcs.xml
index 4c6280e..94a25f7 100644
--- a/.idea/vcs.xml
+++ b/.idea/vcs.xml
@@ -1,11 +1,5 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project version="4">
-  <component name="CommitMessageInspectionProfile">
-    <profile version="1.0">
-      <inspection_tool class="CommitFormat" enabled="true" level="WARNING" enabled_by_default="true" />
-      <inspection_tool class="CommitNamingConvention" enabled="true" level="WARNING" enabled_by_default="true" />
-    </profile>
-  </component>
   <component name="VcsDirectoryMappings">
     <mapping directory="$PROJECT_DIR$" vcs="Git" />
   </component>
diff --git a/library/src/main/java/dev/zotov/phototime/solarized/Algorithm.kt b/library/src/main/java/dev/zotov/phototime/solarized/Algorithm.kt
index fa1ac02..1b8618d 100644
--- a/library/src/main/java/dev/zotov/phototime/solarized/Algorithm.kt
+++ b/library/src/main/java/dev/zotov/phototime/solarized/Algorithm.kt
@@ -25,8 +25,8 @@ import kotlin.math.*
 internal fun algorithm(
     time: DateTime,
     date: LocalDateTime,
-    @FloatRange(from = 0.0, to = 90.0) latitude: Double,
-    @FloatRange(from = 0.0, to = 180.0) longitude: Double,
+    @FloatRange(from = -90.0, to = 90.0) latitude: Double,
+    @FloatRange(from = -180.0, to = 180.0) longitude: Double,
     twilight: Twilight,
     timeZone: TimeZone
 ): LocalDateTime? {
diff --git a/library/src/main/java/dev/zotov/phototime/solarized/Models.kt b/library/src/main/java/dev/zotov/phototime/solarized/Models.kt
index 1193348..b431fd8 100644
--- a/library/src/main/java/dev/zotov/phototime/solarized/Models.kt
+++ b/library/src/main/java/dev/zotov/phototime/solarized/Models.kt
@@ -53,7 +53,7 @@ sealed class SunPhase {
  * List, containing all sun phases during daytime
  */
 data class SunPhaseList(
-    val firstLight: SunPhase.FirstLight,
+    val firstLight: SunPhase.FirstLight?,
     val morningBlueHour: SunPhase.BlueHour,
     val sunrise: SunPhase.Sunrise,
     val morningGoldenHour: SunPhase.GoldenHour,
@@ -61,6 +61,6 @@ data class SunPhaseList(
     val eveningGoldenHour: SunPhase.GoldenHour,
     val sunset: SunPhase.Sunset,
     val eveningBlueHour: SunPhase.BlueHour,
-    val lastLight: SunPhase.LastLight,
+    val lastLight: SunPhase.LastLight?,
 )
 
diff --git a/library/src/main/java/dev/zotov/phototime/solarized/Solarized.kt b/library/src/main/java/dev/zotov/phototime/solarized/Solarized.kt
index 1c271b7..a0b2c45 100644
--- a/library/src/main/java/dev/zotov/phototime/solarized/Solarized.kt
+++ b/library/src/main/java/dev/zotov/phototime/solarized/Solarized.kt
@@ -13,8 +13,8 @@ import java.util.*
  * @param timeZone of LocalDateTime
  */
 class Solarized(
-    @FloatRange(from = 0.0, to = 90.0) val latitude: Double,
-    @FloatRange(from = 0.0, to = 180.0) val longitude: Double,
+    @FloatRange(from = -90.0, to = 90.0) val latitude: Double,
+    @FloatRange(from = -180.0, to = 180.0) val longitude: Double,
     val date: LocalDateTime,
     val timeZone: TimeZone = TimeZone.getDefault()
 ) {
@@ -81,7 +81,7 @@ class Solarized(
             ) ?: return null
 
             return SunPhaseList(
-                firstLight = firstLight ?: return null,
+                firstLight = firstLight,
                 morningBlueHour = SunPhase.BlueHour(
                     start = blueHourMorningStartDate,
                     end = blueHourMorningEndDate
@@ -104,7 +104,7 @@ class Solarized(
                     start = goldenHourEveningEndDate,
                     end = blueHourEveningEndDate,
                 ),
-                lastLight = lastLight ?: return null,
+                lastLight = lastLight,
             )
         }
 
diff --git a/library/src/test/java/dev/zotov/phototime/solarized/PermUnitTest.kt b/library/src/test/java/dev/zotov/phototime/solarized/PermUnitTest.kt
index 5f087f3..731f991 100644
--- a/library/src/test/java/dev/zotov/phototime/solarized/PermUnitTest.kt
+++ b/library/src/test/java/dev/zotov/phototime/solarized/PermUnitTest.kt
@@ -1,12 +1,12 @@
 package dev.zotov.phototime.solarized
 
+import org.junit.Assert
 import org.junit.Test
 import java.time.Instant
 import java.time.ZoneOffset
 import java.util.*
 
 class PermUnitTest  {
-
     private val date = Instant.ofEpochSecond(1651679484).atZone(ZoneOffset.UTC).toLocalDateTime()
     private val latitude = 58.000000
     private val longitude = 56.316666
@@ -14,7 +14,7 @@ class PermUnitTest  {
     private val solarized = Solarized(latitude, longitude, date, timezone)
 
     @Test
-    fun `Morning blur hour`() {
+    fun `Morning blue hour`() {
         solarized.blueHour.morning!!.assertTime("04:06-04:46")
     }
 
@@ -47,4 +47,24 @@ class PermUnitTest  {
     fun `Evening blue hour`() {
         solarized.blueHour.evening!!.assertTime("21:37-22:18")
     }
+}
+
+class PermUnitTest2  {
+    private val date = Instant.ofEpochSecond(1652011132).atZone(ZoneOffset.UTC).toLocalDateTime()
+    private val latitude = 58.0368
+    private val longitude = 56.2632
+    private val timezone = TimeZone.getTimeZone("Asia/Yekaterinburg")
+    private val solarized = Solarized(latitude, longitude, date, timezone)
+
+    @Test
+    fun `list is not null`() {
+        Assert.assertNotNull(solarized.blueHour.morning)
+        Assert.assertNotNull(solarized.goldenHour.morning)
+        Assert.assertNotNull(solarized.sunrise)
+        Assert.assertNotNull(solarized.day)
+        Assert.assertNotNull(solarized.goldenHour.evening)
+        Assert.assertNotNull(solarized.blueHour.evening)
+        Assert.assertNotNull(solarized.sunset)
+        Assert.assertNotNull(solarized.list)
+    }
 }
\ No newline at end of file