Ruling · Śītalāṣṭamī · 1906

Saturday 17 March

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 190 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 Saturday 17 March

Taken. The only midday Aṣṭamī reaches.

madhyāhna begins 12:03  12:51 madhyāhna ends
11:1511:3912:0312:2712:5113:1513:39

48 of 48 minutes covered

Midday of Sunday 18 March

Aṣṭamī is absent from madhyāhna. Not taken.

madhyāhna begins 12:03  12:51 madhyāhna ends
11:1511:3912:0312:2712:5113:1513:39

0 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 08:53 on Sat 17 Mar to 07:09 on Sun 18 Mar.

    1906-03-17T00:52:56Z → 1906-03-17T23:08:54Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 12:03–12:51 on the 17th, 12:03–12:51 on the 18th.

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

  3. 03

    Rule

    Aṣṭamī must be present during madhyāhna. It covers 48 of 48 minutes on the 17th and 0 of 48 on the 18th.

    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 11418 s

  5. 05

    Ruling

    Śītalāṣṭamī, Baoding, 1906: Saturday 17 March.

    confidence: determinate

Say it like this

In Baoding, Śītalāṣṭamī 1906 falls on Saturday 17 March. Aṣṭamī runs from 08:53 on Sat 17 Mar to 07:09 on Sun 18 Mar and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1906/shitalashtami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSat 17 Mar
Ahargaṇa, classicalDisc centre, no refractionSat 17 Mar
compat-drikpanchangComparison profileSat 17 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 17thCoveredMadhyāhna 18thCoveredRuled
Los Angeles16:53 → 15:0911:3848 min11:380 min17 Mar
Chicago18:53 → 17:0911:3648 min11:350 min17 Mar
Jersey City19:53 → 18:0911:4148 min11:410 min17 Mar
Port of Spain20:53 → 19:0911:5148 min11:500 min17 Mar
London00:53 → 23:0911:4648 min11:450 min17 Mar
Durban02:53 → 01:0911:4048 min11:400 min17 Mar
Dubai04:34 → 02:5011:4548 min11:440 min17 Mar
Delhi06:23 → 04:3912:0648 min12:060 min17 Mar
Kolkata06:23 → 04:3911:2148 min11:210 min17 Mar
Singapore07:53 → 06:0911:4948 min11:490 min17 Mar
Sydney10:53 → 09:0911:4048 min11:390 min17 Mar
Suva12:48 → 11:0411:460 min11:460 min18 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