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package datetime
// Ordinal 1 = Midnight Monday, January 1, 1 A.D. (Gregorian)
// | Midnight Monday, January 3, 1 A.D. (Julian)
Ordinal :: i64
EPOCH :: Ordinal(1)
// Minimum and maximum dates and ordinals. Chosen for safe roundtripping.
MIN_DATE :: Date{year = -25_252_734_927_766_552, month = 1, day = 1}
MAX_DATE :: Date{year = 25_252_734_927_766_552, month = 12, day = 31}
MIN_ORD :: Ordinal(-9_223_372_036_854_775_234)
MAX_ORD :: Ordinal( 9_223_372_036_854_774_869)
Error :: enum {
None,
Invalid_Year,
Invalid_Month,
Invalid_Day,
Invalid_Hour,
Invalid_Minute,
Invalid_Second,
Invalid_Nano,
Invalid_Ordinal,
Invalid_Delta,
}
Date :: struct {
year: i64,
month: i8,
day: i8,
}
Time :: struct {
hour: i8,
minute: i8,
second: i8,
nano: i32,
}
DateTime :: struct {
using date: Date,
using time: Time,
}
Delta :: struct {
days: i64, // These are all i64 because we can also use it to add a number of seconds or nanos to a moment,
seconds: i64, // that are then normalized within their respective ranges.
nanos: i64,
}
Month :: enum i8 {
January = 1,
February,
March,
April,
May,
June,
July,
August,
September,
October,
November,
December,
}
Weekday :: enum i8 {
Sunday = 0,
Monday,
Tuesday,
Wednesday,
Thursday,
Friday,
Saturday,
}
@(private)
MONTH_DAYS :: [?]i8{-1, 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31}
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