Ruling · Śītalā Saptamī · 1939

Wednesday 6 September

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 236 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 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 Wednesday 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 16:37 on Tue 5 Sep to 16:39 on Wed 6 Sep.

    1939-09-05T08:36:33Z → 1939-09-06T08:39:20Z

  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 14144 s

  5. 05

    Ruling

    Śītalā Saptamī, Baoding, 1939: Wednesday 6 September.

    confidence: determinate

Say it like this

In Baoding, Śītalā Saptamī 1939 falls on Wednesday 6 September. Saptamī runs from 16:37 on Tue 5 Sep to 16:39 on Wed 6 Sep and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1939/shitala-saptami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingWed 6 Sep
Ahargaṇa, classicalDisc centre, no refractionWed 6 Sep
compat-drikpanchangComparison profileWed 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 Angeles00:37 → 00:3911:2748 min11:270 min5 Sep
Chicago03:37 → 03:3912:2548 min12:250 min5 Sep
Jersey City04:37 → 04:3912:3148 min12:300 min5 Sep
Port of Spain04:37 → 04:3911:4148 min11:410 min5 Sep
London09:37 → 09:3912:3548 min12:350 min5 Sep
Durban10:37 → 10:3911:3148 min11:310 min5 Sep
Dubai12:37 → 12:3911:545 min11:5346 min5 Sep
Delhi14:07 → 14:0911:560 min11:5548 min6 Sep
Kolkata14:07 → 14:0911:110 min11:1148 min6 Sep
Singapore15:57 → 15:5912:000 min11:5948 min6 Sep
Sydney18:37 → 18:3911:300 min11:3048 min6 Sep
Suva20:37 → 20:3911:410 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

About Ahargaṇa