Ruling · Śītalāṣṭamī · 1923

Saturday 10 March

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 66 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 Friday 9 March

Aṣṭamī is absent from madhyāhna. Not taken.

madhyāhna begins 12:05  12:53 madhyāhna ends
11:1711:4112:0512:2912:5313:1713:41

0 of 48 minutes covered

Midday of Saturday 10 March

Taken. The only midday Aṣṭamī reaches.

madhyāhna begins 12:05  12:53 madhyāhna ends
11:1711:4112:0512:2912:5313:1713:41

48 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 15:12 on Fri 9 Mar to 13:59 on Sat 10 Mar.

    1923-03-09T07:11:51Z → 1923-03-10T05:58:48Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 12:05–12:53 on the 9th, 12:05–12:53 on the 10th.

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

  3. 03

    Rule

    Aṣṭamī must be present during madhyāhna. It covers 0 of 48 minutes on the 9th and 48 of 48 on the 10th.

    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 3938 s

  5. 05

    Ruling

    Śītalāṣṭamī, Baoding, 1923: Saturday 10 March.

    confidence: determinate

Say it like this

In Baoding, Śītalāṣṭamī 1923 falls on Saturday 10 March. Aṣṭamī runs from 15:12 on Fri 9 Mar to 13:59 on Sat 10 Mar and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1923/shitalashtami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSat 10 Mar
Ahargaṇa, classicalDisc centre, no refractionSat 10 Mar
compat-drikpanchangComparison profileSat 10 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 9thCoveredMadhyāhna 10thCoveredRuled
Los Angeles23:12 → 21:5911:4048 min11:400 min9 Mar
Chicago01:12 → 23:5911:3848 min11:380 min9 Mar
Jersey City02:12 → 00:5911:4348 min11:430 min9 Mar
Port of Spain03:12 → 01:5911:5348 min11:530 min9 Mar
London07:12 → 05:5911:4848 min11:480 min9 Mar
Durban09:12 → 07:5911:4348 min11:420 min9 Mar
Dubai11:12 → 09:5912:0648 min12:060 min9 Mar
Delhi12:42 → 11:2912:0814 min12:080 min9 Mar
Kolkata12:42 → 11:2911:240 min11:235 min10 Mar
Singapore14:12 → 12:5911:520 min11:5148 min10 Mar
Sydney17:12 → 15:5911:420 min11:4248 min10 Mar
Suva19:12 → 17:5911:530 min11:5348 min10 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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