Ruling · Śītalāṣṭamī · 1995

Friday 24 March

Determinatein Daqing, under the Rashtriya Panchang method. Clear of every threshold by 181 minutes.

Decide it for

DaqingDelhiKolkataSingaporeSydneyJersey City

46°35′ N 125°00′ E · Asia/Shanghai · GeoNames 2037860

The two middays

One ghaṭī is 24 minutes. Madhyāhna is 1 ghaṭikā either side of midday.

Midday of Thursday 23 March

Aṣṭamī is absent from madhyāhna. Not taken.

madhyāhna begins 11:23  12:11 madhyāhna ends
10:3510:5911:2311:4712:1112:3512:59

0 of 48 minutes covered

Midday of Friday 24 March

Taken. The only midday Aṣṭamī reaches.

madhyāhna begins 11:23  12:11 madhyāhna ends
10:3510:5911:2311:4712:1112:3512:59

48 of 48 minutes covered

Aṣṭamī presentMadhyāhna, the window the rule readsThe instant the tithi begins or ends

How it was decided

  1. 01

    Aṅga

    Aṣṭamī runs from 17:11 on Thu 23 Mar to 15:12 on Fri 24 Mar.

    1995-03-23T09:11:28Z → 1995-03-24T07:11:35Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:23–12:11 on the 23rd, 11:23–12:11 on the 24th.

    madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′

  3. 03

    Rule

    Aṣṭamī must be present during madhyāhna. It covers 0 of 48 minutes on the 23rd and 48 of 48 on the 24th.

    Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105

  4. 04

    Tie-break

    Only one midday qualifies. No tie-break is needed.

    priority: purvaviddha → only-day · margin 10838 s

  5. 05

    Ruling

    Śītalāṣṭamī, Daqing, 1995: Friday 24 March.

    confidence: determinate

Say it like this

In Daqing, Śītalāṣṭamī 1995 falls on Friday 24 March. Aṣṭamī runs from 17:11 on Thu 23 Mar to 15:12 on Fri 24 Mar and covers all of madhyāhna that midday.

ahargana.org/daqing/festivals/1995/shitalashtami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingFri 24 Mar
Ahargaṇa, classicalDisc centre, no refractionFri 24 Mar
compat-drikpanchangComparison profileFri 24 Mar
No institution has a recorded ruling for Daqing.

Institutional rulings are recorded with a source address, and are never edited to agree.

The rule, as data

/rules/shitalashtami · ruleset 2026.3-draft

Month
Phālguna, amānta
Pakṣa · aṅga
Kṛṣṇa · Aṣṭamī
Kāla
Madhyāhna
Priority
Pūrvaviddhā
Tie-break
First day
Reference
CRC 1955, p. 105

“K 8 Sitalastami, (purvaviddha)” Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105.

The same rule, elsewhere

Twelve places, west to east. Local clock times.

PlaceAṣṭamīMadhyāhna 23rdCoveredMadhyāhna 24thCoveredRuled
Los Angeles01:11 → 23:1211:3648 min11:360 min23 Mar
Chicago03:11 → 01:1211:3448 min11:330 min23 Mar
Jersey City04:11 → 02:1211:3948 min11:390 min23 Mar
Port of Spain05:11 → 03:1211:4948 min11:490 min23 Mar
London09:11 → 07:1211:4448 min11:430 min23 Mar
Durban11:11 → 09:1211:3848 min11:380 min23 Mar
Dubai13:11 → 11:1212:020 min12:010 min24 Mar
Delhi14:41 → 12:4212:040 min12:0438 min24 Mar
Kolkata14:41 → 12:4211:200 min11:1948 min24 Mar
Singapore17:11 → 15:1212:470 min12:4748 min24 Mar
Sydney19:11 → 17:1211:380 min11:3748 min24 Mar
Suva21:11 → 19:1211:490 min11:4948 min24 Mar
Profile · tradition
pac-rp@2026.1 · smarta
Rule
shitalashtami@2026.3-draft
Engine · kernel
0.1.0 · de440 7eef…ea74
Boundary margin
300 s

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