Ruling · Śītalā Saptamī · 1964

Saturday 29 August

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 230 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 Saturday 29 August

Taken. The only midday Saptamī reaches.

madhyāhna begins 11:55  12:43 madhyāhna ends
11:0711:3111:5512:1912:4313:0713:31

48 of 48 minutes covered

Midday of Sunday 30 August

Saptamī is absent from madhyāhna. Not taken.

madhyāhna begins 11:54  12:42 madhyāhna ends
11:0611:3011:5412:1812:4213:0613:30

0 of 48 minutes covered

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

How it was decided

  1. 01

    Aṅga

    Saptamī runs from 08:05 on Sat 29 Aug to 06:14 on Sun 30 Aug.

    1964-08-29T00:05:06Z → 1964-08-29T22:14:28Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:55–12:43 on the 29th, 11:54–12:42 on the 30th.

    madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′

  3. 03

    Rule

    Saptamī must be present during madhyāhna. It covers 48 of 48 minutes on the 29th and 0 of 48 on the 30th.

    Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103

  4. 04

    Tie-break

    Only one midday qualifies. No tie-break is needed.

    priority: purvaviddha → only-day · margin 13780 s

  5. 05

    Ruling

    Śītalā Saptamī, Baoding, 1964: Saturday 29 August.

    confidence: determinate

Say it like this

In Baoding, Śītalā Saptamī 1964 falls on Saturday 29 August. Saptamī runs from 08:05 on Sat 29 Aug to 06:14 on Sun 30 Aug and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1964/shitala-saptami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSat 29 Aug
Ahargaṇa, classicalDisc centre, no refractionSat 29 Aug
compat-drikpanchangComparison profileSat 29 Aug
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/shitala-saptami · ruleset 2026.3-draft

Month
Śrāvaṇa, amānta
Pakṣa · aṅga
Kṛṣṇa · Saptamī
Kāla
Madhyāhna
Priority
Pūrvaviddhā
Tie-break
First day
Reference
CRC 1955, p. 103

“K 7 Sitala saptami (purvaviddha).” Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103.

The same rule, elsewhere

Twelve places, west to east. Local clock times.

PlaceSaptamīMadhyāhna 29thCoveredMadhyāhna 30thCoveredRuled
Los Angeles17:05 → 15:1412:2948 min12:290 min29 Aug
Chicago19:05 → 17:1412:2748 min12:270 min29 Aug
Jersey City20:05 → 18:1412:3348 min12:320 min29 Aug
Port of Spain20:05 → 18:1411:4348 min11:420 min29 Aug
London01:05 → 23:1412:3748 min12:360 min29 Aug
Durban02:05 → 00:1411:3348 min11:330 min29 Aug
Dubai04:05 → 02:1411:5548 min11:550 min29 Aug
Delhi05:35 → 03:4411:5848 min11:570 min29 Aug
Kolkata05:35 → 03:4411:1348 min11:130 min29 Aug
Singapore07:35 → 05:4412:1248 min12:110 min29 Aug
Sydney10:05 → 08:1411:3248 min11:320 min29 Aug
Suva12:05 → 10:1411:4326 min11:430 min29 Aug
Profile · tradition
pac-rp@2026.1 · smarta
Rule
shitala-saptami@2026.3-draft
Engine · kernel
0.1.0 · de440 7eef…ea74
Boundary margin
300 s

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