diff --git a/tp11/src/main/kotlin/fmt/kotlin/fundamentals/Tp11.kt b/tp11/src/main/kotlin/fmt/kotlin/fundamentals/Tp11.kt
index a68f8bb..875e620 100644
--- a/tp11/src/main/kotlin/fmt/kotlin/fundamentals/Tp11.kt
+++ b/tp11/src/main/kotlin/fmt/kotlin/fundamentals/Tp11.kt
@@ -8,11 +8,31 @@ import kotlin.time.Duration.Companion.days
 
 class Tp11 {
 
-    fun whichDayIsInTwoDays(clock: Clock): DayOfWeek = TODO()
+    fun whichDayIsInTwoDays(clock: Clock) = (clock.now() + 2.days)
+        .toLocalDateTime(TimeZone.of("Europe/Paris"))
+        .dayOfWeek
 
-    fun parseInstant(s: String): LocalDateTime = TODO()
+    fun parseInstant(s: String) =
+        LocalDateTime.Format {
+            dayOfMonth()
+            alternativeParsing({
+                char('/')
+                monthNumber()
+                char('/')
+            }) {
+                char(' ')
+                monthName(frenchMonthNames)
+                char(' ')
+            }
+            yearTwoDigits(1900)
+            chars(" à ")
+            hour()
+            char('h')
+            minute()
+        }.parse(s)
 
-    fun daysBetween(instant1: Instant, instant2: Instant): Long = TODO()
+    fun daysBetween(instant1: Instant, instant2: Instant) =
+        (instant2 - instant1).inWholeDays
 
     companion object {
         private val frenchMonthNames = MonthNames(