Ruling · Śītalā Saptamī · 1928

Thursday 6 September

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 417 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 Wednesday 5 September

Saptamī is absent from madhyāhna. Not taken.

madhyāhna begins 11:53  12:41 madhyāhna ends
11:0511:2911:5312:1712:4113:0513:29

0 of 48 minutes covered

Midday of Thursday 6 September

Taken. The only midday Saptamī reaches.

madhyāhna begins 11:52  12:40 madhyāhna ends
11:0411:2811:5212:1612:4013:0413:28

48 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 21:47 on Wed 5 Sep to 19:37 on Thu 6 Sep.

    1928-09-05T13:47:18Z → 1928-09-06T11:37:06Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:53–12:41 on the 5th, 11:52–12:40 on the 6th.

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

  3. 03

    Rule

    Saptamī 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. 103

  4. 04

    Tie-break

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

    priority: purvaviddha → only-day · margin 25010 s

  5. 05

    Ruling

    Śītalā Saptamī, Baoding, 1928: Thursday 6 September.

    confidence: determinate

Say it like this

In Baoding, Śītalā Saptamī 1928 falls on Thursday 6 September. Saptamī runs from 21:47 on Wed 5 Sep to 19:37 on Thu 6 Sep and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1928/shitala-saptami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingThu 6 Sep
Ahargaṇa, classicalDisc centre, no refractionThu 6 Sep
compat-drikpanchangComparison profileThu 6 Sep
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 5thCoveredMadhyāhna 6thCoveredRuled
Los Angeles05:47 → 03:3711:2748 min11:270 min5 Sep
Chicago08:47 → 06:3712:2548 min12:240 min5 Sep
Jersey City09:47 → 07:3712:3148 min12:300 min5 Sep
Port of Spain09:47 → 07:3711:4148 min11:400 min5 Sep
London14:47 → 12:3712:350 min12:343 min6 Sep
Durban15:47 → 13:3711:310 min11:3048 min6 Sep
Dubai17:47 → 15:3711:530 min11:5348 min6 Sep
Delhi19:17 → 17:0711:560 min11:5548 min6 Sep
Kolkata19:17 → 17:0711:110 min11:1148 min6 Sep
Singapore20:47 → 18:3711:390 min11:3948 min6 Sep
Sydney23:47 → 21:3711:300 min11:3048 min6 Sep
Suva01:47 → 23:3711:410 min11:4148 min6 Sep
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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