Ruling · Śītalāṣṭamī · 1982

Wednesday 17 March

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 7 min 14 s.

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 Wednesday 17 March

Taken. Both middays qualify; the rule takes the first.

madhyāhna begins 12:03  12:51 madhyāhna ends
Aṣṭamī begins 11:55:47
11:1511:3912:0312:2712:5113:1513:39

48 of 48 minutes covered

Midday of Thursday 18 March

Qualifies with 48 of 48 minutes. Not taken.

madhyāhna begins 12:03  12:51 madhyāhna ends
11:1511:3912:0312:2712:5113:1513:39

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 11:56 on Wed 17 Mar to 14:32 on Thu 18 Mar.

    1982-03-17T03:55:47Z → 1982-03-18T06:32:28Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 12:03–12:51 on the 17th, 12:03–12:51 on the 18th.

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

  3. 03

    Rule

    Aṣṭamī must be present during madhyāhna. It covers 48 of 48 minutes on the 17th and 48 of 48 on the 18th.

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

  4. 04

    Tie-break

    Both middays qualify. Pūrvaviddhā: the first is taken.

    priority: purvaviddha → purvaviddha · margin 434 s

  5. 05

    Ruling

    Śītalāṣṭamī, Baoding, 1982: Wednesday 17 March.

    confidence: determinate

Say it like this

In Baoding, Śītalāṣṭamī 1982 falls on Wednesday 17 March. Aṣṭamī runs from 11:56 on Wed 17 Mar to 14:32 on Thu 18 Mar and covers all of madhyāhna that midday. It also reaches the next midday for 48 minutes; by the rule the first midday is taken.

ahargana.org/baoding/festivals/1982/shitalashtami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingWed 17 Mar
Ahargaṇa, classicalDisc centre, no refractionWed 17 Mar
compat-drikpanchangComparison profileWed 17 Mar
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 17thCoveredMadhyāhna 18thCoveredRuled
Los Angeles19:56 → 22:3211:3848 min11:370 min17 Mar
Chicago21:56 → 00:3211:3548 min11:350 min17 Mar
Jersey City22:56 → 01:3211:4148 min11:410 min17 Mar
Port of Spain23:56 → 02:3211:5148 min11:500 min17 Mar
London03:56 → 06:3211:4548 min11:450 min17 Mar
Durban05:56 → 08:3211:4048 min11:400 min17 Mar
Dubai07:56 → 10:3212:0348 min12:030 min17 Mar
Delhi09:26 → 12:0212:0648 min12:060 min17 Mar
Kolkata09:26 → 12:0211:2148 min11:2142 min17 Mar
Singapore11:56 → 14:3212:4948 min12:4948 min17 Mar
Sydney14:56 → 17:3212:390 min12:3948 min18 Mar
Suva15:56 → 18:3211:510 min11:5048 min18 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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