diff --git a/build.sbt b/build.sbt
index 3b17e7d4a..94f13c96d 100644
--- a/build.sbt
+++ b/build.sbt
@@ -1,6 +1,6 @@
 import org.scalajs.linker.interface.ModuleSplitStyle
 
-ThisBuild / tlBaseVersion       := "0.109"
+ThisBuild / tlBaseVersion       := "0.110"
 ThisBuild / tlCiReleaseBranches := Seq("master")
 
 val Versions = new {
diff --git a/modules/tests/src/test/scala/lucuma/ui/syntax/SyntaxSuite.scala b/modules/tests/src/test/scala/lucuma/ui/syntax/SyntaxSuite.scala
index df44b380a..99dc82f42 100644
--- a/modules/tests/src/test/scala/lucuma/ui/syntax/SyntaxSuite.scala
+++ b/modules/tests/src/test/scala/lucuma/ui/syntax/SyntaxSuite.scala
@@ -4,6 +4,7 @@
 package lucuma.ui.syntax
 
 import lucuma.core.util.TimeSpan
+import lucuma.ui.TimeUnitsFormat
 import lucuma.ui.syntax.time.*
 
 import java.time.Duration
@@ -12,21 +13,44 @@ class SyntaxSuite extends munit.FunSuite:
 
   test("toHoursMinutes should format a TimeSpan"):
     assertEquals(TimeSpan.Zero.toHoursMinutes, "0mins")
+    assertEquals(TimeSpan.Zero.toHoursMinutes(TimeUnitsFormat.Letter), "0m")
     assertEquals(TimeSpan.unsafeFromDuration(Duration.ofHours(1)).toHoursMinutes, "1hrs")
+    assertEquals(
+      TimeSpan.unsafeFromDuration(Duration.ofHours(1)).toHoursMinutes(TimeUnitsFormat.Letter),
+      "1h"
+    )
     assertEquals(TimeSpan.unsafeFromDuration(Duration.ofMinutes(30)).toHoursMinutes, "30mins")
-    assertEquals(TimeSpan.unsafeFromDuration(Duration.ofHours(1).plusMinutes(30)).toHoursMinutes,
-                 "1hrs 30mins"
+    assertEquals(
+      TimeSpan
+        .unsafeFromDuration(Duration.ofHours(1).plusMinutes(30))
+        .toHoursMinutes(TimeUnitsFormat.Abbreviation),
+      "1hrs 30mins"
+    )
+    assertEquals(
+      TimeSpan
+        .unsafeFromDuration(Duration.ofHours(1).plusMinutes(30))
+        .toHoursMinutes(TimeUnitsFormat.Letter),
+      "1h 30m"
     )
 
   test("toHoursMinutes should round to the nearest minute"):
-    assertEquals(TimeSpan.unsafeFromDuration(Duration.ofMinutes(30).plusSeconds(30)).toHoursMinutes,
-                 "31mins"
+    assertEquals(
+      TimeSpan.unsafeFromDuration(Duration.ofMinutes(30).plusSeconds(30)).toHoursMinutes,
+      "31mins"
+    )
+    assertEquals(
+      TimeSpan.unsafeFromDuration(Duration.ofMinutes(30).plusSeconds(29)).toHoursMinutes,
+      "30mins"
     )
-    assertEquals(TimeSpan.unsafeFromDuration(Duration.ofMinutes(30).plusSeconds(29)).toHoursMinutes,
-                 "30mins"
+    assertEquals(
+      TimeSpan
+        .unsafeFromDuration(Duration.ofHours(1).plusMinutes(30).plusSeconds(30))
+        .toHoursMinutes,
+      "1hrs 31mins"
     )
-    assertEquals(TimeSpan
-                   .unsafeFromDuration(Duration.ofHours(1).plusMinutes(30).plusSeconds(30))
-                   .toHoursMinutes,
-                 "1hrs 31mins"
+    assertEquals(
+      TimeSpan
+        .unsafeFromDuration(Duration.ofHours(1).plusMinutes(30).plusSeconds(30))
+        .toHoursMinutes(TimeUnitsFormat.Letter),
+      "1h 31m"
     )
diff --git a/modules/ui/src/main/scala/lucuma/ui/TimeUnitsFormat.scala b/modules/ui/src/main/scala/lucuma/ui/TimeUnitsFormat.scala
new file mode 100644
index 000000000..e34f9fe0b
--- /dev/null
+++ b/modules/ui/src/main/scala/lucuma/ui/TimeUnitsFormat.scala
@@ -0,0 +1,8 @@
+// Copyright (c) 2016-2023 Association of Universities for Research in Astronomy, Inc. (AURA)
+// For license information see LICENSE or https://opensource.org/licenses/BSD-3-Clause
+
+package lucuma.ui
+
+enum TimeUnitsFormat(val hours: String, val minutes: String):
+  case Letter       extends TimeUnitsFormat("h", "m")
+  case Abbreviation extends TimeUnitsFormat("hrs", "mins")
diff --git a/modules/ui/src/main/scala/lucuma/ui/components/TimeSpanView.scala b/modules/ui/src/main/scala/lucuma/ui/components/TimeSpanView.scala
index c8ff35772..5b3288755 100644
--- a/modules/ui/src/main/scala/lucuma/ui/components/TimeSpanView.scala
+++ b/modules/ui/src/main/scala/lucuma/ui/components/TimeSpanView.scala
@@ -7,6 +7,7 @@ import japgolly.scalajs.react.*
 import japgolly.scalajs.react.vdom.html_<^.*
 import lucuma.core.util.TimeSpan
 import lucuma.react.common.ReactFnProps
+import lucuma.ui.TimeUnitsFormat
 import lucuma.ui.syntax.time.*
 
 /**
@@ -14,18 +15,23 @@ import lucuma.ui.syntax.time.*
  *
  * Hovering over the view will show the full (unrounded) TimeSpan in hours, minutes, and seconds.
  */
-case class TimeSpanView(timespan: TimeSpan, modifiers: Seq[TagMod] = Seq.empty)
-    extends ReactFnProps(TimeSpanView.component):
+case class TimeSpanView(
+  timespan:    TimeSpan,
+  unitsFormat: TimeUnitsFormat = TimeUnitsFormat.Abbreviation,
+  modifiers:   Seq[TagMod] = Seq.empty
+) extends ReactFnProps(TimeSpanView.component):
   def addModifiers(modifiers: Seq[TagMod]) = copy(modifiers = this.modifiers ++ modifiers)
   def withMods(mods:          TagMod*)     = addModifiers(mods)
 
 object TimeSpanView:
+  private type Props = TimeSpanView
 
-  def component = ScalaFnComponent[TimeSpanView]: props =>
+  private val component = ScalaFnComponent[Props]: props =>
     val ts = props.timespan
 
     <.span(
       props.modifiers.toTagMod,
-      ^.title := s"${ts.toHoursPart} hours, ${ts.toMinutesPart} minutes, ${ts.toSecondsPart} seconds",
-      ts.toHoursMinutes
+      ^.title := s"${ts.toHoursPart} hours, ${ts.toMinutesPart} minutes, ${ts.toSecondsPart} seconds"
+    )(
+      ts.toHoursMinutes(props.unitsFormat)
     )
diff --git a/modules/ui/src/main/scala/lucuma/ui/syntax/time.scala b/modules/ui/src/main/scala/lucuma/ui/syntax/time.scala
index f0e149007..fb0200f4d 100644
--- a/modules/ui/src/main/scala/lucuma/ui/syntax/time.scala
+++ b/modules/ui/src/main/scala/lucuma/ui/syntax/time.scala
@@ -5,6 +5,7 @@ package lucuma.ui.syntax
 
 import cats.syntax.eq.*
 import lucuma.core.util.TimeSpan
+import lucuma.ui.TimeUnitsFormat
 
 trait time:
   extension (timespan: TimeSpan)
@@ -12,12 +13,20 @@ trait time:
      * Format a timespan in the format `${hh}hrs ${mm}mins`
      */
     def toHoursMinutes: String =
-      val hours   = timespan.toHoursPart
+      toHoursMinutes(TimeUnitsFormat.Abbreviation)
+
+    /**
+     * Format a timespan in the format `${hh}hrs ${mm}mins` or `${hh}h ${mm}m`
+     */
+    def toHoursMinutes(unitsFormat: TimeUnitsFormat): String =
+      val hours     = timespan.toHoursPart
+      def hourStr   = s"$hours${unitsFormat.hours}"
       // Remaining minutes, rounded to the nearest minute
-      val minutes = timespan.toMinutes.setScale(0, BigDecimal.RoundingMode.HALF_UP) % 60
+      val minutes   = timespan.toMinutes.setScale(0, BigDecimal.RoundingMode.HALF_UP) % 60
+      def minuteStr = s"$minutes${unitsFormat.minutes}"
 
-      if hours === 0 then s"${minutes}mins"
-      else if minutes === 0 then s"${hours}hrs"
-      else s"${hours}hrs ${minutes}mins"
+      if hours === 0 then minuteStr
+      else if minutes === 0 then hourStr
+      else s"$hourStr $minuteStr"
 
 object time extends time