Ruling · Śītalāṣṭamī · 2089

Sunday 3 April

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 401 minutes.

Decide it for

38°52′ N 115°28′ E · Asia/Shanghai · GeoNames 1816971

The two middays

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

Midday of Saturday 2 April

Aṣṭamī is absent from madhyāhna. Not taken.

madhyāhna begins 11:58  12:46 madhyāhna ends
11:1011:3411:5812:2212:4613:1013:34

0 of 48 minutes covered

Midday of Sunday 3 April

Taken. The only midday Aṣṭamī reaches.

madhyāhna begins 11:58  12:46 madhyāhna ends
11:1011:3411:5812:2212:4613:1013:34

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 19:27 on Sat 2 Apr to 21:50 on Sun 3 Apr.

    2089-04-02T11:27:23Z → 2089-04-03T13:49:40Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:58–12:46 on the 2nd, 11:58–12:46 on the 3rd.

    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 2nd and 48 of 48 on the 3rd.

    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 24072 s

  5. 05

    Ruling

    Śītalāṣṭamī, Baoding, 2089: Sunday 3 April.

    confidence: determinate

Say it like this

In Baoding, Śītalāṣṭamī 2089 falls on Sunday 3 April. Aṣṭamī runs from 19:27 on Sat 2 Apr to 21:50 on Sun 3 Apr and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/2089/shitalashtami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSun 3 Apr
Ahargaṇa, classicalDisc centre, no refractionSun 3 Apr
compat-drikpanchangComparison profileSun 3 Apr
No institution has a recorded ruling for Baoding.

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 2ndCoveredMadhyāhna 3rdCoveredRuled
Los Angeles04:27 → 06:5012:3348 min12:320 min2 Apr
Chicago06:27 → 08:5012:3148 min12:300 min2 Apr
Jersey City07:27 → 09:5012:3648 min12:360 min2 Apr
Port of Spain07:27 → 09:5011:4648 min11:450 min2 Apr
London12:27 → 14:5012:4148 min12:4048 min2 Apr
Durban13:27 → 15:5011:350 min11:3548 min3 Apr
Dubai15:27 → 17:5011:590 min11:5848 min3 Apr
Delhi16:57 → 19:2012:010 min12:0148 min3 Apr
Kolkata16:57 → 19:2011:160 min11:1648 min3 Apr
Singapore19:27 → 21:5012:440 min12:4448 min3 Apr
Sydney22:27 → 23:5012:350 min11:3448 min3 Apr
Suva23:27 → 01:5011:460 min11:4648 min3 Apr
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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