public void FromTicksLocal()
        {
            DateTime dt = new DateTime(2021, 1, 13, 22, 00, 00, DateTimeKind.Local);

            Assert.AreEqual(637461720000000000, dt.Ticks, "#1");

            // We can't use a format with offset or time zone, as it may differ depending on the environment
            Assert.AreEqual("2021-01-13T22:00:00", dt.ToString("yyyy-MM-ddTHH:mm:ss"), "#2");

            // Convert to EssentialsTime
            EssentialsTime time = EssentialsTime.FromTicks(dt.Ticks);

            Assert.AreEqual(637461720000000000, time.Ticks, "#3");
            Assert.AreEqual("2021-01-13T22:00:00", time.ToString("yyyy-MM-ddTHH:mm:ss"), "#4");
        }
        public void FromTicksLocalUtc()
        {
            DateTime dt = new DateTime(2021, 1, 13, 22, 00, 00, DateTimeKind.Utc);

            Assert.AreEqual(637461720000000000, dt.Ticks, "#1");

            // We can't use a format with offset or time zone, as it may differ depending on the environment
            Assert.AreEqual("2021-01-13T22:00:00Z", dt.ToString("yyyy-MM-ddTHH:mm:ssK"), "#2");

            // Convert to EssentialsTime
            EssentialsTime time = EssentialsTime.FromTicks(dt.Ticks, TimeSpan.Zero);

            // Same as DateTime
            Assert.AreEqual(637461720000000000, time.Ticks, "#3");

            // Offset is now +00:00 instead of Z (difference between DateTimeOffset and DateTime)
            Assert.AreEqual("2021-01-13T22:00:00+00:00", time.ToString("yyyy-MM-ddTHH:mm:ssK"), "#4");
        }