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// Holidays in Thailand.
use crate::time::calendars::Calendar;
use chrono::{NaiveDate, Weekday};
use serde::{Deserialize, Serialize};
#[derive(Deserialize, Serialize, Default, Debug)]
pub struct Thailand;
#[typetag::serde]
impl Calendar for Thailand {
fn is_business_day(&self, date: NaiveDate) -> bool {
let (d, w, m, y, _dd) = self.naive_date_to_dkmy(date);
let _em = self.easter_monday(y);
if self.is_weekend(date)
// New Year's Day
|| ((d == 1 || (d==3 && w==Weekday::Mon)) && m == 1)
// Chakri Memorial Day
|| ((d == 6 || ((d==7 || d==8) && w==Weekday::Mon)) && m == 4)
// Songkran Festival (was cancelled in 2020 due to the Covid-19 Pandemic)
|| ((d == 13 || d == 14 || d == 15) && m == 4 && y != 2020)
// Substitution Songkran Festival, usually not more than 5 days in total (was cancelled
// in 2020 due to the Covid-19 Pandemic)
|| (d == 16 && (w == Weekday::Mon || w == Weekday::Tue) && m == 4 && y != 2020)
// Labor Day
|| ((d == 1 || ((d==2 || d==3) && w==Weekday::Mon)) && m == 5)
// Coronation Day
|| ((d == 4 || ((d == 5 || d == 6) && w == Weekday::Mon)) && m == 5 && y >= 2019)
// H.M.Queen Suthida Bajrasudhabimalalakshana’s Birthday
|| ((d == 3 || ((d == 4 || d == 5) && w == Weekday::Mon)) && m == 6 && y >= 2019)
// H.M. King Maha Vajiralongkorn Phra Vajiraklaochaoyuhua’s Birthday
|| ((d == 28 || ((d == 29 || d == 30) && w == Weekday::Mon)) && m == 7 && y >= 2017)
// ​H.M. Queen Sirikit The Queen Mother’s Birthday / Mother’s Day
|| ((d == 12 || ((d == 13 || d == 14) && w == Weekday::Mon)) && m == 8)
// H.M. King Bhumibol Adulyadej The Great Memorial Day
|| ((d == 13 || ((d == 14 || d == 15) && w == Weekday::Mon)) && m == 10 && y >= 2017)
// Chulalongkorn Day
|| ((d == 23 || ((d == 24 || d == 25) && w == Weekday::Mon)) && m == 10 && y != 2021) // Moved 2021, see below
// H.M. King Bhumibol Adulyadej The Great’s Birthday/ National Day / Father’s Day
|| ((d == 5 || ((d == 6 || d == 7) && w == Weekday::Mon)) && m == 12)
// Constitution Day
|| ((d == 10 || ((d == 11 || d == 12) && w == Weekday::Mon)) && m == 12)
// New Year’s Eve
|| ((d == 31 && m == 12) || (d == 2 && w == Weekday::Mon && m == 1 && y != 2024))
// Moved 2024
{
return false;
}
if (y == 2000)
&& (
(d==21 && m==2) // Makha Bucha Day (Substitution Day)
|| (d==5 && m==5) // Coronation Day
|| (d==17 && m==5) // Wisakha Bucha Day
|| (d==17 && m==7) // Buddhist Lent Day
|| (d==23 && m==10)
// Chulalongkorn Day
)
{
return false;
}
if (y == 2001)
&& (
(d==8 && m==2) // Makha Bucha Day
|| (d==7 && m==5) // Wisakha Bucha Day
|| (d==8 && m==5) // Coronation Day (Substitution Day)
|| (d==6 && m==7) // Buddhist Lent Day
|| (d==23 && m==10)
// Chulalongkorn Day
)
{
return false;
}
// 2002, 2003 and 2004 are missing
if (y == 2005)
&& (
(d==23 && m==2) // Makha Bucha Day
|| (d==5 && m==5) // Coronation Day
|| (d==23 && m==5) // Wisakha Bucha Day (Substitution Day for Sunday 22 5)
|| (d==1 && m==7) // Mid Year Closing Day
|| (d==22 && m==7) // Buddhist Lent Day
|| (d==24 && m==10)
// Chulalongkorn Day (Substitution Day for Sunday 23 10)
)
{
return false;
}
if (y == 2006)
&& (
(d==13 && m==2) // Makha Bucha Day
|| (d==19 && m==4) // Special Holiday
|| (d==5 && m==5) // Coronation Day
|| (d==12 && m==5) // Wisakha Bucha Day
|| (d==12 && m==6) // Special Holidays (Due to the auspicious occasion of the
// celebration of 60th Anniversary of His Majesty's Accession
// to the throne. For Bangkok, Samut Prakan, Nonthaburi,
// Pathumthani and Nakhon Pathom province)
|| (d==13 && m==6) // Special Holidays (as above)
|| (d==11 && m==7) // Buddhist Lent Day
|| (d==23 && m==10)
// Chulalongkorn Day
)
{
return false;
}
if (y == 2007)
&& (
(d==5 && m==3) // Makha Bucha Day (Substitution Day for Saturday 3 3)
|| (d==7 && m==5) // Coronation Day (Substitution Day for Saturday 5 5)
|| (d==31 && m==5) // Wisakha Bucha Day
|| (d==30 && m==7) // Asarnha Bucha Day (Substitution Day for Sunday 29 7)
|| (d==23 && m==10) // Chulalongkorn Day
|| (d==24 && m==12)
// Special Holiday
)
{
return false;
}
if (y == 2008)
&& (
(d==21 && m==2) // Makha Bucha Day
|| (d==5 && m==5) // Coronation Day
|| (d==19 && m==5) // Wisakha Bucha Day
|| (d==1 && m==7) // Mid Year Closing Day
|| (d==17 && m==7) // Asarnha Bucha Day
|| (d==23 && m==10)
// Chulalongkorn Day
)
{
return false;
}
if (y == 2009)
&& (
(d==2 && m==1) // Special Holiday
|| (d==9 && m==2) // Makha Bucha Day
|| (d==5 && m==5) // Coronation Day
|| (d==8 && m==5) // Wisakha Bucha Day
|| (d==1 && m==7) // Mid Year Closing Day
|| (d==6 && m==7) // Special Holiday
|| (d==7 && m==7) // Asarnha Bucha Day
|| (d==23 && m==10)
// Chulalongkorn Day
)
{
return false;
}
if (y == 2010)
&& (
(d==1 && m==3) // Substitution for Makha Bucha Day(Sunday 28 2)
|| (d==5 && m==5) // Coronation Day
|| (d==20 && m==5) // Special Holiday
|| (d==21 && m==5) // Special Holiday
|| (d==28 && m==5) // Wisakha Bucha Day
|| (d==1 && m==7) // Mid Year Closing Day
|| (d==26 && m==7) // Asarnha Bucha Day
|| (d==13 && m==8) // Special Holiday
|| (d==25 && m==10)
// Substitution for Chulalongkorn Day(Saturday 23 10)
)
{
return false;
}
if (y == 2011)
&& (
(d==18 && m==2) // Makha Bucha Day
|| (d==5 && m==5) // Coronation Day
|| (d==16 && m==5) // Special Holiday
|| (d==17 && m==5) // Wisakha Bucha Day
|| (d==1 && m==7) // Mid Year Closing Day
|| (d==15 && m==7) // Asarnha Bucha Day
|| (d==24 && m==10)
// Substitution for Chulalongkorn Day(Sunday 23 10)
)
{
return false;
}
if (y == 2012)
&& (
(d==3 && m==1) // Special Holiday
|| (d==7 && m==3) // Makha Bucha Day 2/
|| (d==9 && m==4) // Special Holiday
|| (d==7 && m==5) // Substitution for Coronation Day(Saturday 5 5)
|| (d==4 && m==6) // Wisakha Bucha Day
|| (d==2 && m==8) // Asarnha Bucha Day
|| (d==23 && m==10)
// Chulalongkorn Day
)
{
return false;
}
if (y == 2013)
&& (
(d==25 && m==2) // Makha Bucha Day
|| (d==6 && m==5) // Substitution for Coronation Day(Sunday 5 5)
|| (d==24 && m==5) // Wisakha Bucha Day
|| (d==1 && m==7) // Mid Year Closing Day
|| (d==22 && m==7) // Asarnha Bucha Day 2/
|| (d==23 && m==10) // Chulalongkorn Day
|| (d==30 && m==12)
// Special Holiday
)
{
return false;
}
if (y == 2014)
&& (
(d==14 && m==2) // Makha Bucha Day
|| (d==5 && m==5) // Coronation Day
|| (d==13 && m==5) // Wisakha Bucha Day
|| (d==1 && m==7) // Mid Year Closing Day
|| (d==11 && m==7) // Asarnha Bucha Day 1/
|| (d==11 && m==8) // Special Holiday
|| (d==23 && m==10)
// Chulalongkorn Day
)
{
return false;
}
if (y == 2015)
&& (
(d==2 && m==1) // Special Holiday
|| (d==4 && m==3) // Makha Bucha Day
|| (d==4 && m==5) // Special Holiday
|| (d==5 && m==5) // Coronation Day
|| (d==1 && m==6) // Wisakha Bucha Day
|| (d==1 && m==7) // Mid Year Closing Day
|| (d==30 && m==7) // Asarnha Bucha Day 1/
|| (d==23 && m==10)
// Chulalongkorn Day
)
{
return false;
}
if (y == 2016)
&& (
(d==22 && m==2) // Makha Bucha Day
|| (d==5 && m==5) // Coronation Day
|| (d==6 && m==5) // Special Holiday
|| (d==20 && m==5) // Wisakha Bucha Day
|| (d==1 && m==7) // Mid Year Closing Day
|| (d==18 && m==7) // Special Holiday
|| (d==19 && m==7) // Asarnha Bucha Day 1/
|| (d==24 && m==10)
// Substitution for Chulalongkorn Day (Sunday 23rd 10)
)
{
return false;
}
if (y == 2017)
&& (
(d == 13 && m == 2) // Makha Bucha Day
|| (d == 10 && m == 5) // Wisakha Bucha Day
|| (d == 10 && m == 7) // Asarnha Bucha Day
|| (d == 23 && m == 10) // Chulalongkorn Day
|| (d == 26 && m == 10)
// Special Holiday
)
{
return false;
}
if (y == 2018)
&& (
(d==1 && m==3) // Makha Bucha Day
|| (d==29 && m==5) // Wisakha Bucha Day
|| (d==27 && m==7) // Asarnha Bucha Day1
|| (d==23 && m==10)
// Chulalongkorn Day
)
{
return false;
}
if (y == 2019)
&& (
(d == 19 && m == 2) // Makha Bucha Day
|| (d == 6 && m == 5) // Special Holiday
|| (d == 20 && m == 5) // Wisakha Bucha Day
|| (d == 16 && m == 7)
// Asarnha Bucha Day
)
{
return false;
}
if (y == 2020)
&& (
(d == 10 && m == 2) // Makha Bucha Day
|| (d == 6 && m == 5) // Wisakha Bucha Day
|| (d == 6 && m == 7) // Asarnha Bucha Day
|| (d == 27 && m == 7) // Substitution for Songkran Festival
|| (d == 4 && m == 9) // Substitution for Songkran Festival
|| (d == 7 && m == 9) // Substitution for Songkran Festival
|| (d == 11 && m == 12)
// Special Holiday
)
{
return false;
}
// 02-12 Special Holiday
// 02-26 Makha Bucha Day
// 05-26 Wisakha Bucha Day
// 07-26 Substitution for Asarnha Bucha Day (Saturday 24th July 2021)
if (y == 2021)
&& (
(m == 7 || m == 5 || m == 2) && (d == 26 || m == 2) && (d == 26 || d == 12)
|| (d == 24 && m == 9) // Special Holiday
|| (d == 22 && m == 10)
// ​Substitution for Chulalongkorn Day
)
{
return false;
}
if (y == 2022)
&& (
(m == 5 || m == 2) && d == 16 // Makha Bucha Day and Substitution for Wisakha Bucha Day (Sunday 15th May 2022)
|| (d == 13 && m == 7) // Asarnha Bucha Day
|| (d == 29 && m == 7) // Additional special holiday (added)
|| (d == 14 && m == 10) // Additional special holiday (added)
|| (d == 24 && m == 10)
// ​Substitution for Chulalongkorn Day (Sunday 23rd October 2022)
)
{
return false;
}
if (y == 2023)
&& (
(d == 6 && m == 3) // Makha Bucha Day
|| (d == 5 && m == 5) // Additional special holiday (added)
|| (d == 5 && m == 6) // Substitution for H.M. Queen's birthday and Wisakha Bucha Day (Saturday 3rd June 2022)
|| (d == 1 && m == 8) // Asarnha Bucha Day
|| (d == 23 && m == 10) // Chulalongkorn Day
|| (d == 29 && m == 12)
// Substitution for New Year’s Eve (Sunday 31st December 2023) (added)
)
{
return false;
}
if (y == 2024)
&& (
(d == 26 && m == 2) // Substitution for Makha Bucha Day (Saturday 24th February 2024)
|| (d == 8 && m == 4) // Substitution for Chakri Memorial Day (Saturday 6th April 2024)
|| (d == 12 && m == 4) // Additional holiday in relation to the Songkran festival
|| (d == 6 && m == 5) // Substitution for Coronation Day (Saturday 4th May 2024)
|| (d == 22 && m == 5) // Wisakha Bucha Day
|| (d == 22 && m == 7) // Substitution for Asarnha Bucha Day (Saturday 20th July 2024)
|| (d == 23 && m == 10)
// Chulalongkorn Day
)
{
return false;
}
if (y == 2025)
&& (
(d == 12 && m == 2) // Substitution for Makha Bucha Day (Wednesday 12th February 2025)
|| (d == 7 && m == 4) // Substitution for Chakri Memorial Day (Sunday 6th April 2025)
|| (d == 5 && m == 5) // Substitution for Coronation Day (Sunday 4th May 2025)
|| (d == 12 && m == 5) // Wisakha Bucha Day
|| (d == 10 && m == 7) // Asarnha Bucha Day (Thursday 10th July 2025)
|| (d == 23 && m == 10)
// Chulalongkorn Day
)
{
return false;
}
true
}
}
#[cfg(test)]
mod tests {
use super::Thailand;
use crate::time::calendars::Calendar;
use chrono::{Duration, NaiveDate};
#[test]
fn test_thailand_holiday() {
// Test all results from 2023-01-01 to 2023-12-31
let expected_results_for_2023 = vec![
false, false, true, true, true, true, false, false, true, true, true, true, true,
false, false, true, true, true, true, true, false, false, true, true, true, true, true,
false, false, true, true, true, true, true, false, false, true, true, true, true, true,
false, false, true, true, true, true, true, false, false, true, true, true, true, true,
false, false, true, true, true, true, true, false, false, false, true, true, true,
true, false, false, true, true, true, true, true, false, false, true, true, true, true,
true, false, false, true, true, true, true, true, false, false, true, true, true,
false, true, false, false, true, true, true, false, false, false, false, true, true,
true, true, true, false, false, true, true, true, true, true, false, false, false,
true, true, false, false, false, false, true, true, true, true, true, false, false,
true, true, true, true, true, false, false, true, true, true, true, true, false, false,
true, true, true, true, true, false, false, false, true, true, true, true, false,
false, true, true, true, true, true, false, false, true, true, true, true, true, false,
false, true, true, true, true, true, false, false, true, true, true, true, true, false,
false, true, true, true, true, true, false, false, true, true, true, true, true, false,
false, true, true, true, true, false, false, false, true, false, true, true, true,
false, false, true, true, true, true, true, false, false, false, true, true, true,
true, false, false, true, true, true, true, true, false, false, true, true, true, true,
true, false, false, true, true, true, true, true, false, false, true, true, true, true,
true, false, false, true, true, true, true, true, false, false, true, true, true, true,
true, false, false, true, true, true, true, true, false, false, true, true, true, true,
false, false, false, true, true, true, true, true, false, false, false, true, true,
true, true, false, false, true, true, true, true, true, false, false, true, true, true,
true, true, false, false, true, true, true, true, true, false, false, true, true, true,
true, true, false, false, true, true, true, true, true, false, false, true, false,
true, true, true, false, false, false, true, true, true, true, false, false, true,
true, true, true, true, false, false, true, true, true, true, false, false, false,
];
let first_date = NaiveDate::from_ymd_opt(2023, 1, 1).unwrap();
for n in 0i32..365 {
let target_date = first_date + Duration::try_days(n as i64).unwrap();
let expected = expected_results_for_2023[n as usize];
assert_eq!(Thailand.is_business_day(target_date), expected);
}
let target_date = NaiveDate::from_ymd_opt(2019, 2, 19).unwrap();
assert_eq!(Thailand.is_business_day(target_date), false);
let target_date = NaiveDate::from_ymd_opt(2020, 2, 10).unwrap();
assert_eq!(Thailand.is_business_day(target_date), false);
let target_date = NaiveDate::from_ymd_opt(2021, 10, 22).unwrap();
assert_eq!(Thailand.is_business_day(target_date), false);
let target_date = NaiveDate::from_ymd_opt(2022, 10, 24).unwrap();
assert_eq!(Thailand.is_business_day(target_date), false);
let target_date = NaiveDate::from_ymd_opt(2023, 12, 29).unwrap();
assert_eq!(Thailand.is_business_day(target_date), false);
let target_date = NaiveDate::from_ymd_opt(2024, 10, 23).unwrap();
assert_eq!(Thailand.is_business_day(target_date), false);
// Test all results from 2024-01-01 to 2024-12-31
let expected_results_for_2024 = vec![
false, true, true, true, true, false, false, true, true, true, true, true, false,
false, true, true, true, true, true, false, false, true, true, true, true, true, false,
false, true, true, true, true, true, false, false, true, true, true, true, true, false,
false, true, true, true, true, true, false, false, true, true, true, true, true, false,
false, false, true, true, true, true, false, false, true, true, true, true, true,
false, false, true, true, true, true, true, false, false, true, true, true, true, true,
false, false, true, true, true, true, true, false, false, true, true, true, true, true,
false, false, false, true, true, true, false, false, false, false, false, true, true,
true, false, false, true, true, true, true, true, false, false, true, true, false,
true, true, false, false, false, true, true, true, true, false, false, true, true,
true, true, true, false, false, true, true, false, true, true, false, false, true,
true, true, true, true, false, false, false, true, true, true, true, false, false,
true, true, true, true, true, false, false, true, true, true, true, true, false, false,
true, true, true, true, true, false, false, true, true, true, true, true, false, false,
true, true, true, true, true, false, false, true, true, true, true, true, false, false,
false, true, true, true, true, false, false, false, true, true, true, true, false,
false, true, true, true, true, true, false, false, false, true, true, true, true,
false, false, true, true, true, true, true, false, false, true, true, true, true, true,
false, false, true, true, true, true, true, false, false, true, true, true, true, true,
false, false, true, true, true, true, true, false, false, true, true, true, true, true,
false, false, true, true, true, true, true, false, false, true, true, true, true, true,
false, false, false, true, true, true, true, false, false, true, true, false, true,
true, false, false, true, true, true, true, true, false, false, true, true, true, true,
true, false, false, true, true, true, true, true, false, false, true, true, true, true,
true, false, false, true, true, true, true, true, false, false, true, true, true,
false, true, false, false, true, false, true, true, true, false, false, true, true,
true, true, true, false, false, true, true, true, true, true, false, false, true,
false,
];
let first_date = NaiveDate::from_ymd_opt(2024, 1, 1).unwrap();
for n in 0i32..365 {
let target_date = first_date + Duration::try_days(n as i64).unwrap();
let expected = expected_results_for_2024[n as usize];
assert_eq!(Thailand.is_business_day(target_date), expected);
}
}
}