Ruling · Śītalāṣṭamī · 1957

Saturday 23 March

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 605 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 Saturday 23 March

Taken. The only midday Aṣṭamī reaches.

madhyāhna begins 12:01  12:49 madhyāhna ends
11:1311:3712:0112:2512:4913:1313:37

48 of 48 minutes covered

Midday of Sunday 24 March

Aṣṭamī is absent from madhyāhna. Not taken.

madhyāhna begins 12:01  12:49 madhyāhna ends
11:1311:3712:0112:2512:4913:1313:37

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 00:23 on Sat 23 Mar to 01:56 on Sun 24 Mar.

    1957-03-22T16:22:32Z → 1957-03-23T17:55:36Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 12:01–12:49 on the 23rd, 12:01–12:49 on the 24th.

    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 23rd and 0 of 48 on the 24th.

    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 36321 s

  5. 05

    Ruling

    Śītalāṣṭamī, Baoding, 1957: Saturday 23 March.

    confidence: determinate

Say it like this

In Baoding, Śītalāṣṭamī 1957 falls on Saturday 23 March. Aṣṭamī runs from 00:23 on Sat 23 Mar to 01:56 on Sun 24 Mar and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1957/shitalashtami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSat 23 Mar
Ahargaṇa, classicalDisc centre, no refractionSat 23 Mar
compat-drikpanchangComparison profileSat 23 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 22ndCoveredMadhyāhna 23rdCoveredRuled
Los Angeles08:23 → 09:5611:3648 min11:360 min22 Mar
Chicago10:23 → 11:5611:3448 min11:3422 min22 Mar
Jersey City11:23 → 12:5611:4048 min11:3948 min22 Mar
Port of Spain12:23 → 13:5611:4915 min11:4948 min22 Mar
London16:23 → 17:5611:440 min11:4448 min23 Mar
Durban18:23 → 19:5611:390 min11:3848 min23 Mar
Dubai20:23 → 21:5612:020 min12:0248 min23 Mar
Delhi21:53 → 23:2612:040 min12:0448 min23 Mar
Kolkata21:53 → 23:2611:200 min11:1948 min23 Mar
Singapore23:53 → 01:2612:180 min12:1748 min23 Mar
Sydney02:23 → 03:5611:380 min11:3848 min23 Mar
Suva04:23 → 05:5611:490 min11:4948 min23 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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