using System;

namespace System.Globalization
{
	// Token: 0x02000172 RID: 370
	internal class CCHijriCalendar
	{
		// Token: 0x060011FC RID: 4604 RVA: 0x00046C20 File Offset: 0x00044E20
		public static bool is_leap_year(int year)
		{
			return CCMath.mod(14 + 11 * year, 30) < 11;
		}

		// Token: 0x060011FD RID: 4605 RVA: 0x00046C34 File Offset: 0x00044E34
		public static int fixed_from_dmy(int day, int month, int year)
		{
			int num = 227013;
			num += 354 * (year - 1);
			num += CCMath.div(3 + 11 * year, 30);
			num += (int)Math.Ceiling(29.5 * (double)(month - 1));
			return num + day;
		}

		// Token: 0x060011FE RID: 4606 RVA: 0x00046C80 File Offset: 0x00044E80
		public static int year_from_fixed(int date)
		{
			return CCMath.div(30 * (date - 227014) + 10646, 10631);
		}

		// Token: 0x060011FF RID: 4607 RVA: 0x00046C9C File Offset: 0x00044E9C
		public static void my_from_fixed(out int month, out int year, int date)
		{
			year = CCHijriCalendar.year_from_fixed(date);
			int num = 1 + (int)Math.Ceiling((double)(date - 29 - CCHijriCalendar.fixed_from_dmy(1, 1, year)) / 29.5);
			month = ((num >= 12) ? 12 : num);
		}

		// Token: 0x06001200 RID: 4608 RVA: 0x00046CE8 File Offset: 0x00044EE8
		public static void dmy_from_fixed(out int day, out int month, out int year, int date)
		{
			CCHijriCalendar.my_from_fixed(out month, out year, date);
			day = date - CCHijriCalendar.fixed_from_dmy(1, month, year) + 1;
		}

		// Token: 0x06001201 RID: 4609 RVA: 0x00046D04 File Offset: 0x00044F04
		public static int month_from_fixed(int date)
		{
			int num;
			int num2;
			CCHijriCalendar.my_from_fixed(out num, out num2, date);
			return num;
		}

		// Token: 0x06001202 RID: 4610 RVA: 0x00046D1C File Offset: 0x00044F1C
		public static int day_from_fixed(int date)
		{
			int num;
			int num2;
			int num3;
			CCHijriCalendar.dmy_from_fixed(out num, out num2, out num3, date);
			return num;
		}

		// Token: 0x06001203 RID: 4611 RVA: 0x00046D38 File Offset: 0x00044F38
		public static int date_difference(int dayA, int monthA, int yearA, int dayB, int monthB, int yearB)
		{
			return CCHijriCalendar.fixed_from_dmy(dayB, monthB, yearB) - CCHijriCalendar.fixed_from_dmy(dayA, monthA, yearA);
		}

		// Token: 0x06001204 RID: 4612 RVA: 0x00046D50 File Offset: 0x00044F50
		public static int day_number(int day, int month, int year)
		{
			return CCHijriCalendar.date_difference(31, 12, year - 1, day, month, year);
		}

		// Token: 0x06001205 RID: 4613 RVA: 0x00046D64 File Offset: 0x00044F64
		public static int days_remaining(int day, int month, int year)
		{
			return CCHijriCalendar.date_difference(day, month, year, 31, 12, year);
		}

		// Token: 0x0400049B RID: 1179
		private const int epoch = 227014;

		// Token: 0x02000173 RID: 371
		public enum Month
		{
			// Token: 0x0400049D RID: 1181
			muharram = 1,
			// Token: 0x0400049E RID: 1182
			safar,
			// Token: 0x0400049F RID: 1183
			rabi_I,
			// Token: 0x040004A0 RID: 1184
			rabi_II,
			// Token: 0x040004A1 RID: 1185
			jumada_I,
			// Token: 0x040004A2 RID: 1186
			jumada_II,
			// Token: 0x040004A3 RID: 1187
			rajab,
			// Token: 0x040004A4 RID: 1188
			shaban,
			// Token: 0x040004A5 RID: 1189
			ramadan,
			// Token: 0x040004A6 RID: 1190
			shawwal,
			// Token: 0x040004A7 RID: 1191
			dhu_al_quada,
			// Token: 0x040004A8 RID: 1192
			dhu_al_hijja
		}
	}
}