Ruling · Śītalā Saptamī · 2091

Wednesday 5 September

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 483 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 Tuesday 4 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 Wednesday 5 September

Taken. The only midday Saptamī reaches.

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

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 20:44 on Tue 4 Sep to 22:54 on Wed 5 Sep.

    2091-09-04T12:44:07Z → 2091-09-05T14:53:36Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:53–12:41 on the 4th, 11:53–12:41 on the 5th.

    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 4th and 48 of 48 on the 5th.

    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 28973 s

  5. 05

    Ruling

    Śītalā Saptamī, Baoding, 2091: Wednesday 5 September.

    confidence: determinate

Say it like this

In Baoding, Śītalā Saptamī 2091 falls on Wednesday 5 September. Saptamī runs from 20:44 on Tue 4 Sep to 22:54 on Wed 5 Sep and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/2091/shitala-saptami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingWed 5 Sep
Ahargaṇa, classicalDisc centre, no refractionWed 5 Sep
compat-drikpanchangComparison profileWed 5 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 4thCoveredMadhyāhna 5thCoveredRuled
Los Angeles05:44 → 07:5412:2848 min12:280 min4 Sep
Chicago07:44 → 09:5412:2548 min12:250 min4 Sep
Jersey City08:44 → 10:5412:3148 min12:310 min4 Sep
Port of Spain08:44 → 10:5411:4148 min11:410 min4 Sep
London13:44 → 15:5412:350 min12:3548 min5 Sep
Durban14:44 → 16:5411:310 min11:3148 min5 Sep
Dubai16:44 → 18:5411:540 min11:5448 min5 Sep
Delhi18:14 → 20:2411:560 min11:5648 min5 Sep
Kolkata18:14 → 20:2411:120 min11:1148 min5 Sep
Singapore20:44 → 22:5412:400 min12:4048 min5 Sep
Sydney22:44 → 00:5411:310 min11:3148 min5 Sep
Suva00:44 → 02:5411:420 min11:4248 min5 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

About Ahargaṇa