Ruling · Śītalāṣṭamī · 1907

Friday 5 April

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 24 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 Friday 5 April

Taken. The only midday Aṣṭamī reaches.

madhyāhna begins 11:58  12:46 madhyāhna ends
Aṣṭamī begins 12:21:50
11:1011:3411:5812:2212:4613:1013:34

24 of 48 minutes covered, the last 24

Midday of Saturday 6 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

Aṣṭamī presentMadhyāhna, the window the rule readsThe instant the tithi begins or ends

How it was decided

  1. 01

    Aṅga

    Aṣṭamī runs from 12:22 on Fri 5 Apr to 10:22 on Sat 6 Apr.

    1907-04-05T04:21:50Z → 1907-04-06T02:21:58Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:58–12:46 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 24 of 48 minutes on the 5th and 0 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 1426 s

  5. 05

    Ruling

    Śītalāṣṭamī, Baoding, 1907: Friday 5 April.

    confidence: determinate

Say it like this

In Baoding, Śītalāṣṭamī 1907 falls on Friday 5 April. Aṣṭamī runs from 12:22 on Fri 5 Apr to 10:22 on Sat 6 Apr and covers 24 of 48 minutes of madhyāhna that midday.

ahargana.org/baoding/festivals/1907/shitalashtami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingFri 5 Apr
Ahargaṇa, classicalDisc centre, no refractionFri 5 Apr
compat-drikpanchangComparison profileFri 5 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 Angeles20:22 → 18:2211:3248 min11:320 min5 Apr
Chicago22:22 → 20:2211:3048 min11:300 min5 Apr
Jersey City23:22 → 21:2211:3648 min11:350 min5 Apr
Port of Spain00:22 → 22:2211:4548 min11:450 min5 Apr
London04:22 → 02:2211:4048 min11:400 min5 Apr
Durban06:22 → 04:2211:3548 min11:340 min5 Apr
Dubai08:03 → 06:0311:3948 min11:390 min5 Apr
Delhi09:52 → 07:5212:0048 min12:000 min5 Apr
Kolkata09:52 → 07:5211:1648 min11:160 min5 Apr
Singapore11:22 → 09:2211:4448 min11:430 min5 Apr
Sydney14:22 → 12:2211:340 min11:3448 min6 Apr
Suva16:17 → 14:1711:400 min11:4048 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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