Ruling · Śītalāṣṭamī · 1926

Tuesday 6 April

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 192 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 Monday 5 April

Aṣṭamī is absent from madhyāhna. Not taken.

madhyāhna begins 11:57  12:45 madhyāhna ends
11:0911:3311:5712:2112:4513:0913:33

0 of 48 minutes covered

Midday of Tuesday 6 April

Taken. The only midday Aṣṭamī reaches.

madhyāhna begins 11:57  12:45 madhyāhna ends
11:0911:3311:5712:2112:4513:0913:33

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 17:36 on Mon 5 Apr to 15:57 on Tue 6 Apr.

    1926-04-05T09:36:13Z → 1926-04-06T07:57:18Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:57–12:45 on the 5th, 11:57–12:45 on the 6th.

    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 5th and 48 of 48 on the 6th.

    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 11525 s

  5. 05

    Ruling

    Śītalāṣṭamī, Baoding, 1926: Tuesday 6 April.

    confidence: determinate

Say it like this

In Baoding, Śītalāṣṭamī 1926 falls on Tuesday 6 April. Aṣṭamī runs from 17:36 on Mon 5 Apr to 15:57 on Tue 6 Apr and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1926/shitalashtami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingTue 6 Apr
Ahargaṇa, classicalDisc centre, no refractionTue 6 Apr
compat-drikpanchangComparison profileTue 6 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 5thCoveredMadhyāhna 6thCoveredRuled
Los Angeles01:36 → 23:5711:3248 min11:320 min5 Apr
Chicago03:36 → 01:5711:3048 min11:300 min5 Apr
Jersey City04:36 → 02:5711:3648 min11:350 min5 Apr
Port of Spain05:36 → 03:5711:4548 min11:450 min5 Apr
London09:36 → 07:5711:4048 min11:400 min5 Apr
Durban11:36 → 09:5711:3546 min11:340 min5 Apr
Dubai13:36 → 11:5711:580 min11:580 min6 Apr
Delhi15:06 → 13:2712:000 min12:0048 min6 Apr
Kolkata15:06 → 13:2711:160 min11:1548 min6 Apr
Singapore16:36 → 14:5711:440 min11:4348 min6 Apr
Sydney19:36 → 17:5711:340 min11:3448 min6 Apr
Suva21:36 → 19:5711:450 min11:4548 min6 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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