Ruling · Śītalāṣṭamī · 1948

Thursday 1 April

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 271 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 Thursday 1 April

Taken. The only midday Aṣṭamī reaches.

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

48 of 48 minutes covered

Midday of Friday 2 April

Aṣṭamī is absent from madhyāhna. Not taken.

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

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 05:30 on Thu 1 Apr to 07:27 on Fri 2 Apr.

    1948-03-31T21:30:05Z → 1948-04-01T23:27:00Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:58–12:46 on the 1st, 11:58–12:46 on the 2nd.

    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 1st and 0 of 48 on the 2nd.

    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 16271 s

  5. 05

    Ruling

    Śītalāṣṭamī, Baoding, 1948: Thursday 1 April.

    confidence: determinate

Say it like this

In Baoding, Śītalāṣṭamī 1948 falls on Thursday 1 April. Aṣṭamī runs from 05:30 on Thu 1 Apr to 07:27 on Fri 2 Apr and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1948/shitalashtami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingThu 1 Apr
Ahargaṇa, classicalDisc centre, no refractionThu 1 Apr
compat-drikpanchangComparison profileThu 1 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 31stCoveredMadhyāhna 1stCoveredRuled
Los Angeles14:30 → 16:2712:330 min12:3348 min1 Apr
Chicago15:30 → 17:2711:310 min11:3148 min1 Apr
Jersey City16:30 → 18:2711:370 min11:3748 min1 Apr
Port of Spain17:30 → 19:2711:460 min11:4648 min1 Apr
London22:30 → 00:2712:410 min12:4148 min1 Apr
Durban23:30 → 01:2711:360 min11:3648 min1 Apr
Dubai01:30 → 03:2711:590 min11:5948 min1 Apr
Delhi03:00 → 04:5712:020 min12:0148 min1 Apr
Kolkata03:00 → 04:5711:170 min11:1748 min1 Apr
Singapore05:00 → 06:5712:150 min12:1548 min1 Apr
Sydney07:30 → 09:2711:350 min11:3548 min1 Apr
Suva09:30 → 11:2711:470 min11:4648 min1 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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