Ruling · Śītalāṣṭamī · 1969

Tuesday 11 March

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 436 minutes.

Decide it for

BaodingDelhiKolkataSingaporeSydneyJersey City

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 Tuesday 11 March

Taken. The only midday Aṣṭamī reaches.

madhyāhna begins 12:05  12:53 madhyāhna ends
11:1711:4112:0512:2912:5313:1713:41

48 of 48 minutes covered

Midday of Wednesday 12 March

Aṣṭamī is absent from madhyāhna. Not taken.

madhyāhna begins 12:04  12:52 madhyāhna ends
11:1611:4012:0412:2812:5213:1613:40

0 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 04:49 on Tue 11 Mar to 02:38 on Wed 12 Mar.

    1969-03-10T20:48:37Z → 1969-03-11T18:38:17Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 12:05–12:53 on the 11th, 12:04–12:52 on the 12th.

    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 11th and 0 of 48 on the 12th.

    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 26161 s

  5. 05

    Ruling

    Śītalāṣṭamī, Baoding, 1969: Tuesday 11 March.

    confidence: determinate

Say it like this

In Baoding, Śītalāṣṭamī 1969 falls on Tuesday 11 March. Aṣṭamī runs from 04:49 on Tue 11 Mar to 02:38 on Wed 12 Mar and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1969/shitalashtami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingTue 11 Mar
Ahargaṇa, classicalDisc centre, no refractionTue 11 Mar
compat-drikpanchangComparison profileTue 11 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 10thCoveredMadhyāhna 11thCoveredRuled
Los Angeles12:49 → 10:3811:390 min11:390 min11 Mar
Chicago14:49 → 12:3811:370 min11:3748 min11 Mar
Jersey City15:49 → 13:3811:430 min11:4348 min11 Mar
Port of Spain16:49 → 14:3811:520 min11:5248 min11 Mar
London21:49 → 19:3812:470 min12:4748 min11 Mar
Durban22:49 → 20:3811:420 min11:4248 min11 Mar
Dubai00:49 → 22:3812:050 min12:0548 min11 Mar
Delhi02:19 → 00:0812:080 min12:0748 min11 Mar
Kolkata02:19 → 00:0811:230 min11:2348 min11 Mar
Singapore04:19 → 02:0812:210 min12:2148 min11 Mar
Sydney06:49 → 04:3811:410 min11:4148 min11 Mar
Suva08:49 → 06:3811:530 min11:5248 min11 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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