AngleSharp by Florian Rappl

<PackageReference Include="AngleSharp" Version="0.8.4.1" />

 Time

Represents a time value.
using System; namespace AngleSharp.Css.Values { public struct Time : IEquatable<Time>, IComparable<Time>, IFormattable { public enum Unit : ushort { Ms, S } public static readonly Time Zero = new Time(0, Unit.S); private readonly float _value; private readonly Unit _unit; public float Value { get { if (_unit != Unit.S) return _value; return _value * 1000; } } public Unit Type => _unit; public string UnitString { get { switch (_unit) { case Unit.Ms: return Units.Ms; case Unit.S: return Units.S; default: return string.Empty; } } } public Time(float value, Unit unit) { _value = value; _unit = unit; } public static explicit operator float(Time time) { return time.Value; } public bool Equals(Time other) { return Value == other.Value; } public int CompareTo(Time other) { return Value.CompareTo(other.Value); } public override bool Equals(object obj) { if (obj is Length) return Equals((Length)obj); return false; } public override int GetHashCode() { return _value.GetHashCode(); } public override string ToString() { return _value.ToString() + UnitString; } public string ToString(string format, IFormatProvider formatProvider) { return _value.ToString(format, formatProvider) + UnitString; } } }