Ruling · Śītalāṣṭamī · 1966

Monday 14 March

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 420 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 Sunday 13 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

Midday of Monday 14 March

Taken. The only midday Aṣṭamī reaches.

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

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 19:53 on Sun 13 Mar to 20:56 on Mon 14 Mar.

    1966-03-13T11:52:34Z → 1966-03-14T12:56:02Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 12:04–12:52 on the 13th, 12:04–12:52 on the 14th.

    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 13th and 48 of 48 on the 14th.

    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 25224 s

  5. 05

    Ruling

    Śītalāṣṭamī, Baoding, 1966: Monday 14 March.

    confidence: determinate

Say it like this

In Baoding, Śītalāṣṭamī 1966 falls on Monday 14 March. Aṣṭamī runs from 19:53 on Sun 13 Mar to 20:56 on Mon 14 Mar and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1966/shitalashtami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingMon 14 Mar
Ahargaṇa, classicalDisc centre, no refractionMon 14 Mar
compat-drikpanchangComparison profileMon 14 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 13thCoveredMadhyāhna 14thCoveredRuled
Los Angeles03:53 → 04:5611:3948 min11:380 min13 Mar
Chicago05:53 → 06:5611:3648 min11:360 min13 Mar
Jersey City06:53 → 07:5611:4248 min11:420 min13 Mar
Port of Spain07:53 → 08:5611:5248 min11:510 min13 Mar
London11:53 → 12:5611:4742 min11:4648 min13 Mar
Durban13:53 → 14:5611:410 min11:4148 min14 Mar
Dubai15:53 → 16:5612:050 min12:0448 min14 Mar
Delhi17:23 → 18:2612:070 min12:0748 min14 Mar
Kolkata17:23 → 18:2611:220 min11:2248 min14 Mar
Singapore19:23 → 20:2612:200 min12:2048 min14 Mar
Sydney21:53 → 22:5611:410 min11:4048 min14 Mar
Suva23:53 → 00:5611:520 min11:5248 min14 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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