{"id":"vidhyamitra:city-day:shimla:1981-05-23:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/shimla/1981-05-23","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1981-05-23","date_display":"May 23, 1981 CE","panchanga":{"method":"Sūrya Siddhānta + Bhāskara-II iterative manda + Kerala-school (Mādhava-Nīlakaṇṭha) evection + variation + annual equation","engine_version":"2.0 (Kerala-school enhanced)","accuracy_note":"Sub-degree on Moon at any Kali-Yuga date (~2-5° residual max)","tradition_chain":"Āryabhaṭa(499) → Brahmagupta(628) → Bhāskara II(1150) → Mādhava(~1400) → Parameśvara(1430) → Nīlakaṇṭha(1501) → this","input":{"year":1981,"month":5,"day":23,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2444747.770833,"kali_year":5083,"ahargana":1856282.2708,"sun":{"sidereal_longitude":38.2183,"rashi":2,"rashi_name":"Vṛṣabha"},"moon":{"sidereal_longitude":266.1469,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":19,"name":"Caturthī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Caturthī","elongation_degrees":227.9287,"elapsed_within_tithi_degrees":11.9287},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":4,"moon_longitude":266.1469,"elapsed_within_degrees":12.8136},"yoga":{"number":23,"name":"Śubha","sum_longitude":304.3652},"karana":{"half_tithi_index":37,"name":"Bālava"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"sky":{"method":"Sūrya-Siddhāntic Bhāskara-II 4-step iteration with atan2-based śīghra + varying peripheries + lunar latitude","engine_version":"3.0 (Pūrṇa — complete SS implementation)","tradition_sources":"Āryabhaṭīya 499 CE → SS Ch.1-5 Burgess 1860 → Siddhānta-Śiromaṇi Bhāskara II 1150 → Tantrasaṅgraha Nīlakaṇṭha 1501","input":{"year":1981,"month":5,"day":23,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2444747.770833,"ahargana":1856282.2708,"kali_year":5083,"ayanamsa_lahiri":23.593,"grahas":{"sun":{"sidereal_longitude":38.24231400000002,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":4},"retrograde":false},"moon":{"sidereal_longitude":263.02691400000003,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":3},"retrograde":false,"latitude":1.47},"mars":{"sidereal_longitude":27.14461399999999,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":60.854813999999976,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":157.06201399999998,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":4},"retrograde":true},"venus":{"sidereal_longitude":50.469014000000016,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":159.30641400000002,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":4},"retrograde":true},"rahu":{"sidereal_longitude":105.2322,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":285.2322,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":2},"retrograde":false}},"panchang":{"method":"Sūrya Siddhānta + Bhāskara-II iterative manda + Kerala-school (Mādhava-Nīlakaṇṭha) evection + variation + annual equation","engine_version":"2.0 (Kerala-school enhanced)","accuracy_note":"Sub-degree on Moon at any Kali-Yuga date (~2-5° residual max)","tradition_chain":"Āryabhaṭa(499) → Brahmagupta(628) → Bhāskara II(1150) → Mādhava(~1400) → Parameśvara(1430) → Nīlakaṇṭha(1501) → this","input":{"year":1981,"month":5,"day":23,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2444747.770833,"kali_year":5083,"ahargana":1856282.2708,"sun":{"sidereal_longitude":38.2183,"rashi":2,"rashi_name":"Vṛṣabha"},"moon":{"sidereal_longitude":266.1469,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":19,"name":"Caturthī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Caturthī","elongation_degrees":227.9287,"elapsed_within_tithi_degrees":11.9287},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":4,"moon_longitude":266.1469,"elapsed_within_degrees":12.8136},"yoga":{"number":23,"name":"Śubha","sum_longitude":304.3652},"karana":{"half_tithi_index":37,"name":"Bālava"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":1.47,"elongation":132.071},"lunar":{"type":"lunar","occurs":false,"moon_latitude":1.47,"opposition_distance":47.929}},"eclipse_window_40days":[]},"city":{"slug":"shimla","name":"Shimla, Himachal Pradesh","lat":31.1048,"lon":77.1734,"tz_offset_hours":5.5,"state":"Himachal Pradesh","country":"IN","tier":"tier-1"},"tier2":{"city":{"slug":"shimla","name":"Shimla, Himachal Pradesh","lat":31.1048,"lon":77.1734,"tz_offset_hours":5.5,"state":"Himachal Pradesh","country":"IN","tier":"tier-1"},"sunriseLocal":"05:21","sunsetLocal":"19:14","solarNoonLocal":"12:18","dayLengthHours":13.883281256723798,"dayLengthDisplay":"13 Hours 53 Mins 00 Secs","nightLengthDisplay":"10 Hours 07 Mins 00 Secs","moonriseLocal":"22:12","moonsetLocal":"08:22","rahuKala":{"name":"Rāhu Kāla","start":"08:50","end":"10:34","startHours":8.827694896770776,"endHours":10.563105053861252,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"14:02","end":"15:46","startHours":14.033925368042201,"endHours":15.769335525132675,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"05:21","end":"07:06","startHours":5.356874582589827,"endHours":7.092284739680302,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:36","end":"09:04","startHours":8.59630687582538,"endHours":9.059082917716173,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"05:56","end":"06:18","startHours":5.935344634953319,"endHours":6.305565468465954,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:50","end":"12:46","startHours":11.835739169060934,"endHours":12.76129125284252,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:30","end":"04:26","startHours":3.5057704150266544,"endHours":4.431322498808241,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:12","end":"05:21","startHours":4.199934477862844,"endHours":5.356874582589827,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:37","end":"15:32","startHours":14.612395420405694,"endHours":15.53794750418728,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"19:02","end":"19:26","startHours":19.040155839313627,"endHours":19.440155839313626,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:14","end":"19:49","startHours":19.240155839313626,"endHours":19.81862589167712,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:59","end":"20:44","startHours":18.990155839313626,"endHours":20.740155839313626,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:50","end":"00:46","startHours":23.835739169060933,"endHours":24.761291252842522,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"05:21","end":"07:06","startHours":5.356874582589827,"endHours":7.092284739680302,"quality":"inauspicious"},{"name":"Śubha","start":"07:06","end":"08:50","startHours":7.092284739680302,"endHours":8.827694896770776,"quality":"auspicious"},{"name":"Roga","start":"08:50","end":"10:34","startHours":8.827694896770776,"endHours":10.563105053861252,"quality":"inauspicious"},{"name":"Udveg","start":"10:34","end":"12:18","startHours":10.563105053861252,"endHours":12.298515210951727,"quality":"inauspicious"},{"name":"Chala","start":"12:18","end":"14:02","startHours":12.298515210951727,"endHours":14.033925368042201,"quality":"neutral"},{"name":"Labha","start":"14:02","end":"15:46","startHours":14.033925368042201,"endHours":15.769335525132675,"quality":"auspicious"},{"name":"Amṛta","start":"15:46","end":"17:30","startHours":15.769335525132675,"endHours":17.504745682223152,"quality":"auspicious"},{"name":"Kāla","start":"17:30","end":"19:14","startHours":17.504745682223152,"endHours":19.240155839313626,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"19:14","end":"20:30","startHours":19.240155839313626,"endHours":20.504745682223152,"quality":"auspicious"},{"name":"Amṛta","start":"20:30","end":"21:46","startHours":20.504745682223152,"endHours":21.769335525132675,"quality":"auspicious"},{"name":"Kāla","start":"21:46","end":"23:02","startHours":21.769335525132675,"endHours":23.0339253680422,"quality":"inauspicious"},{"name":"Śubha","start":"23:02","end":"00:18","startHours":23.0339253680422,"endHours":24.298515210951727,"quality":"auspicious"},{"name":"Roga","start":"00:18","end":"01:34","startHours":24.298515210951727,"endHours":25.563105053861253,"quality":"inauspicious"},{"name":"Udveg","start":"01:34","end":"02:50","startHours":25.563105053861253,"endHours":26.82769489677078,"quality":"inauspicious"},{"name":"Chala","start":"02:50","end":"04:06","startHours":26.82769489677078,"endHours":28.092284739680302,"quality":"neutral"},{"name":"Labha","start":"04:06","end":"05:21","startHours":28.092284739680302,"endHours":29.35687458258983,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:21","end":"06:21","startHours":5.356874582589827,"endHours":6.356874582589827,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"06:21","end":"07:21","startHours":6.356874582589827,"endHours":7.356874582589827,"planetary_lord":"Moon"},{"name":"Hora 3","start":"07:21","end":"08:21","startHours":7.356874582589827,"endHours":8.356874582589828,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"08:21","end":"09:21","startHours":8.356874582589828,"endHours":9.356874582589828,"planetary_lord":"Venus"},{"name":"Hora 5","start":"09:21","end":"10:21","startHours":9.356874582589828,"endHours":10.356874582589828,"planetary_lord":"Sun"},{"name":"Hora 6","start":"10:21","end":"11:21","startHours":10.356874582589828,"endHours":11.356874582589828,"planetary_lord":"Mars"},{"name":"Hora 7","start":"11:21","end":"12:21","startHours":11.356874582589828,"endHours":12.356874582589828,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"12:21","end":"13:21","startHours":12.356874582589828,"endHours":13.356874582589828,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"13:21","end":"14:21","startHours":13.356874582589828,"endHours":14.356874582589828,"planetary_lord":"Moon"},{"name":"Hora 10","start":"14:21","end":"15:21","startHours":14.356874582589828,"endHours":15.356874582589828,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"15:21","end":"16:21","startHours":15.356874582589828,"endHours":16.35687458258983,"planetary_lord":"Venus"},{"name":"Hora 12","start":"16:21","end":"17:21","startHours":16.35687458258983,"endHours":17.35687458258983,"planetary_lord":"Sun"},{"name":"Hora 13","start":"17:21","end":"18:21","startHours":17.35687458258983,"endHours":18.35687458258983,"planetary_lord":"Mars"},{"name":"Hora 14","start":"18:21","end":"19:21","startHours":18.35687458258983,"endHours":19.35687458258983,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"19:21","end":"20:21","startHours":19.35687458258983,"endHours":20.35687458258983,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"20:21","end":"21:21","startHours":20.35687458258983,"endHours":21.35687458258983,"planetary_lord":"Moon"},{"name":"Hora 17","start":"21:21","end":"22:21","startHours":21.35687458258983,"endHours":22.35687458258983,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"22:21","end":"23:21","startHours":22.35687458258983,"endHours":23.35687458258983,"planetary_lord":"Venus"},{"name":"Hora 19","start":"23:21","end":"00:21","startHours":23.35687458258983,"endHours":24.35687458258983,"planetary_lord":"Sun"},{"name":"Hora 20","start":"00:21","end":"01:21","startHours":24.35687458258983,"endHours":25.35687458258983,"planetary_lord":"Mars"},{"name":"Hora 21","start":"01:21","end":"02:21","startHours":25.35687458258983,"endHours":26.35687458258983,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"02:21","end":"03:21","startHours":26.35687458258983,"endHours":27.35687458258983,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"03:21","end":"04:21","startHours":27.35687458258983,"endHours":28.35687458258983,"planetary_lord":"Moon"},{"name":"Hora 24","start":"04:21","end":"05:21","startHours":28.35687458258983,"endHours":29.35687458258983,"planetary_lord":"Mercury"}],"taraBala":{"favorable_nakshatras":["Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Uttara Phalgunī","Hasta","Citrā","Svātī","Viśākhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Bhādrapadā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Vṛṣabha","Mithuna","Kanyā","Tulā","Dhanu","Kumbha"],"unfavorable_rashis":["Meṣa","Karka","Siṃha","Vṛścika","Makara","Mīna"]},"dishaShool":"East (Pūrva)","chandraVasa":"East","rahuVasa":"East","anandadiYoga":{"name":"Utpāta","quality":"Inauspicious"},"tropicalRitu":"Grīṣma (Summer) (tropical)","vedicRitu":"Vasanta (Spring)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":20.526389856672346,"eotMinutes":3.395487342896394,"ayanamsa":23.593}},"calendars":{"vikram_samvat":2038,"vikram_samvatsara":"Bhāva","saka_samvat":1903,"saka_samvatsara":"Durmati","bengali_samvat":1388,"malayalam_era":1157,"nanakshahi_year":512,"lunar_month":"Jyeṣṭha","lunar_month_paksha_full":"Jyeṣṭha Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Jyeṣṭha","lunar_month_amanta":"Vaiśākha","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Vṛṣabha (Vaikāsi)","ritu":"Grīṣma (Summer)","display_summary":"Jyeṣṭha Kṛṣṇa Caturthī · Vikram 2038 Bhāva · Śaka 1903 Durmati"},"festivals":[{"id":"sankashti-chaturthi","name":"Saṅkaṣṭī Caturthī","name_sanskrit":"सङ्कष्टी चतुर्थी","tradition":"Pan-Hindu","associated_deity":"Gaṇeśa","significance":"Monthly Gaṇeśa vrata.","vrata":true,"detection":{"tithi_number":19,"tithi_paksha":"Kṛṣṇa"},"precedence":6}],"todays_walk":{"walk":{"id":"shani-walk","name":"Śani Walk","name_sanskrit":"शनि यात्रा","type":"graha","description":"Tapas + endurance + BG 17.14-19.","step_count":7,"url":"/walk/shani-walk"},"reason":"Śanivāra (Saturday) — its presiding graha's walk."},"cosmic_resonances":[]},"validity":{"eternal":false,"location_specific":"shimla"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga May 23, 1981 CE · Shimla, Himachal Pradesh · Vidhyamitra","description":"May 23, 1981 CE for Shimla, Himachal Pradesh: Kṛṣṇa Caturthī, sūryodaya 05:21, sūryāsta 19:14.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/shimla/1981-05-23","hreflang_alternates":{"en":"https://vidhyamitra.com/city/shimla/1981-05-23","sa":"https://sa.vidhyamitra.com/city/shimla/1981-05-23","hi":"https://hi.vidhyamitra.com/city/shimla/1981-05-23","x-default":"https://vidhyamitra.com/city/shimla/1981-05-23"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-03T02:33:20.040Z","verification":{"type":"multi-marker","confidence":"canonical"}},{"pillar":"Vidhyamitra-Tier2","pillar_version":"0.1.0","method":"Spherical astronomy + Lahiri ayanamsa + standard solar declination + EoT correction","retrieved_at":"2026-06-03T02:33:20.040Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-03T02:33:20.040Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}