Ruling · Śītalāṣṭamī · 1935

Thursday 28 March

Determinatein Daqing, under the Rashtriya Panchang method. Clear of every threshold by 238 minutes.

Decide it for

DaqingDelhiKolkataSingaporeSydneyJersey City

46°35′ N 125°00′ E · Asia/Shanghai · GeoNames 2037860

The two middays

One ghaṭī is 24 minutes. Madhyāhna is 1 ghaṭikā either side of midday.

Midday of Wednesday 27 March

Aṣṭamī is absent from madhyāhna. Not taken.

madhyāhna begins 11:22  12:10 madhyāhna ends
10:3410:5811:2211:4612:1012:3412:58

0 of 48 minutes covered

Midday of Thursday 28 March

Taken. The only midday Aṣṭamī reaches.

madhyāhna begins 11:22  12:10 madhyāhna ends
10:3410:5811:2211:4612:1012:3412:58

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 17:26 on Wed 27 Mar to 16:08 on Thu 28 Mar.

    1935-03-27T09:25:49Z → 1935-03-28T08:07:31Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:22–12:10 on the 27th, 11:22–12:10 on the 28th.

    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 27th and 48 of 48 on the 28th.

    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 14256 s

  5. 05

    Ruling

    Śītalāṣṭamī, Daqing, 1935: Thursday 28 March.

    confidence: determinate

Say it like this

In Daqing, Śītalāṣṭamī 1935 falls on Thursday 28 March. Aṣṭamī runs from 17:26 on Wed 27 Mar to 16:08 on Thu 28 Mar and covers all of madhyāhna that midday.

ahargana.org/daqing/festivals/1935/shitalashtami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingThu 28 Mar
Ahargaṇa, classicalDisc centre, no refractionThu 28 Mar
compat-drikpanchangComparison profileThu 28 Mar
No institution has a recorded ruling for Daqing.

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 27thCoveredMadhyāhna 28thCoveredRuled
Los Angeles01:26 → 00:0811:3548 min11:350 min27 Mar
Chicago03:26 → 02:0811:3348 min11:320 min27 Mar
Jersey City04:26 → 03:0811:3848 min11:380 min27 Mar
Port of Spain05:26 → 04:0811:4848 min11:470 min27 Mar
London09:26 → 08:0811:4348 min11:420 min27 Mar
Durban11:26 → 10:0811:3748 min11:370 min27 Mar
Dubai13:26 → 12:0812:010 min12:007 min28 Mar
Delhi14:56 → 13:3812:030 min12:0348 min28 Mar
Kolkata14:56 → 13:3811:180 min11:1848 min28 Mar
Singapore16:46 → 15:2812:060 min12:0648 min28 Mar
Sydney19:26 → 18:0811:370 min11:3648 min28 Mar
Suva21:26 → 20:0811:480 min11:4848 min28 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

About Ahargaṇa