{"id":"vidhyamitra:city-day:rishikesh:1913-12-27:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/1913-12-27","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1913-12-27","date_display":"December 27, 1913 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":1913,"month":12,"day":27,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2420128.770833,"kali_year":5015,"ahargana":1831663.2708,"sun":{"sidereal_longitude":251.9744,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":246.4114,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":30,"name":"Amāvasyā","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Amāvasyā","elongation_degrees":354.437,"elapsed_within_tithi_degrees":6.437},"nakshatra":{"number":19,"name":"Mūla","pada":2,"moon_longitude":246.4114,"elapsed_within_degrees":6.4114},"yoga":{"number":11,"name":"Vṛddhi","sum_longitude":138.3858},"karana":{"half_tithi_index":59,"name":"Nāga"},"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":1913,"month":12,"day":27,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2420128.770833,"ahargana":1831663.2708,"kali_year":5015,"ayanamsa_lahiri":22.6514,"grahas":{"sun":{"sidereal_longitude":252.04454099999998,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":4},"retrograde":false},"moon":{"sidereal_longitude":244.66614100000004,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":2},"retrograde":false,"latitude":-4.4688},"mars":{"sidereal_longitude":87.038141,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":3},"retrograde":true},"mercury":{"sidereal_longitude":236.883241,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":272.526741,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":2},"retrograde":false},"venus":{"sidereal_longitude":242.05014099999994,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":51.32474100000002,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":4},"retrograde":true},"rahu":{"sidereal_longitude":329.6653,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":149.6653,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":1},"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":1913,"month":12,"day":27,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2420128.770833,"kali_year":5015,"ahargana":1831663.2708,"sun":{"sidereal_longitude":251.9744,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":246.4114,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":30,"name":"Amāvasyā","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Amāvasyā","elongation_degrees":354.437,"elapsed_within_tithi_degrees":6.437},"nakshatra":{"number":19,"name":"Mūla","pada":2,"moon_longitude":246.4114,"elapsed_within_degrees":6.4114},"yoga":{"number":11,"name":"Vṛddhi","sum_longitude":138.3858},"karana":{"half_tithi_index":59,"name":"Nāga"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-4.469,"elongation":5.563},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-4.469,"opposition_distance":174.437}},"eclipse_window_40days":[]},"city":{"slug":"rishikesh","name":"Ṛṣikeśa","lat":30.0869,"lon":78.2676,"tz_offset_hours":5.5,"state":"Uttarakhand","country":"IN","tier":"tirtha"},"tier2":{"city":{"slug":"rishikesh","name":"Ṛṣikeśa","lat":30.0869,"lon":78.2676,"tz_offset_hours":5.5,"state":"Uttarakhand","country":"IN","tier":"tirtha"},"sunriseLocal":"07:12","sunsetLocal":"17:25","solarNoonLocal":"12:18","dayLengthHours":10.212497778167101,"dayLengthDisplay":"10 Hours 12 Mins 45 Secs","nightLengthDisplay":"13 Hours 47 Mins 15 Secs","moonriseLocal":"06:44","moonsetLocal":"16:54","rahuKala":{"name":"Rāhu Kāla","start":"09:45","end":"11:02","startHours":9.752780657382075,"endHours":11.029342879652962,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"13:35","end":"14:52","startHours":13.582467324194738,"endHours":14.859029546465624,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"07:12","end":"08:29","startHours":7.199656212840299,"endHours":8.476218435111187,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:35","end":"09:55","startHours":9.58257236107929,"endHours":9.92298895368486,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:38","end":"07:54","startHours":7.625176953597261,"endHours":7.8975102276817175,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:58","end":"12:39","startHours":11.96548850931828,"endHours":12.64632169452942,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:50","end":"06:31","startHours":5.837989842418019,"endHours":6.518823027629159,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:21","end":"07:12","startHours":6.348614731326374,"endHours":7.199656212840299,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:00","end":"14:41","startHours":14.0079880649517,"endHours":14.68882125016284,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:13","end":"17:37","startHours":17.2121539910074,"endHours":17.6121539910074,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:25","end":"17:50","startHours":17.4121539910074,"endHours":17.837674731764363,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:10","end":"18:55","startHours":17.1621539910074,"endHours":18.9121539910074,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:58","end":"00:39","startHours":23.965488509318277,"endHours":24.64632169452942,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"07:12","end":"08:29","startHours":7.199656212840299,"endHours":8.476218435111187,"quality":"inauspicious"},{"name":"Śubha","start":"08:29","end":"09:45","startHours":8.476218435111187,"endHours":9.752780657382075,"quality":"auspicious"},{"name":"Roga","start":"09:45","end":"11:02","startHours":9.752780657382075,"endHours":11.029342879652962,"quality":"inauspicious"},{"name":"Udveg","start":"11:02","end":"12:18","startHours":11.029342879652962,"endHours":12.30590510192385,"quality":"inauspicious"},{"name":"Chala","start":"12:18","end":"13:35","startHours":12.30590510192385,"endHours":13.582467324194738,"quality":"neutral"},{"name":"Labha","start":"13:35","end":"14:52","startHours":13.582467324194738,"endHours":14.859029546465624,"quality":"auspicious"},{"name":"Amṛta","start":"14:52","end":"16:08","startHours":14.859029546465624,"endHours":16.13559176873651,"quality":"auspicious"},{"name":"Kāla","start":"16:08","end":"17:25","startHours":16.13559176873651,"endHours":17.4121539910074,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"17:25","end":"19:08","startHours":17.4121539910074,"endHours":19.135591768736514,"quality":"auspicious"},{"name":"Amṛta","start":"19:08","end":"20:52","startHours":19.135591768736514,"endHours":20.859029546465624,"quality":"auspicious"},{"name":"Kāla","start":"20:52","end":"22:35","startHours":20.859029546465624,"endHours":22.582467324194738,"quality":"inauspicious"},{"name":"Śubha","start":"22:35","end":"00:18","startHours":22.582467324194738,"endHours":24.305905101923848,"quality":"auspicious"},{"name":"Roga","start":"00:18","end":"02:02","startHours":24.305905101923848,"endHours":26.029342879652962,"quality":"inauspicious"},{"name":"Udveg","start":"02:02","end":"03:45","startHours":26.029342879652962,"endHours":27.752780657382075,"quality":"inauspicious"},{"name":"Chala","start":"03:45","end":"05:29","startHours":27.752780657382075,"endHours":29.476218435111186,"quality":"neutral"},{"name":"Labha","start":"05:29","end":"07:12","startHours":29.476218435111186,"endHours":31.1996562128403,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"07:12","end":"08:12","startHours":7.199656212840299,"endHours":8.1996562128403,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"08:12","end":"09:12","startHours":8.1996562128403,"endHours":9.1996562128403,"planetary_lord":"Moon"},{"name":"Hora 3","start":"09:12","end":"10:12","startHours":9.1996562128403,"endHours":10.1996562128403,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"10:12","end":"11:12","startHours":10.1996562128403,"endHours":11.1996562128403,"planetary_lord":"Venus"},{"name":"Hora 5","start":"11:12","end":"12:12","startHours":11.1996562128403,"endHours":12.1996562128403,"planetary_lord":"Sun"},{"name":"Hora 6","start":"12:12","end":"13:12","startHours":12.1996562128403,"endHours":13.1996562128403,"planetary_lord":"Mars"},{"name":"Hora 7","start":"13:12","end":"14:12","startHours":13.1996562128403,"endHours":14.1996562128403,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"14:12","end":"15:12","startHours":14.1996562128403,"endHours":15.1996562128403,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"15:12","end":"16:12","startHours":15.1996562128403,"endHours":16.1996562128403,"planetary_lord":"Moon"},{"name":"Hora 10","start":"16:12","end":"17:12","startHours":16.1996562128403,"endHours":17.1996562128403,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"17:12","end":"18:12","startHours":17.1996562128403,"endHours":18.1996562128403,"planetary_lord":"Venus"},{"name":"Hora 12","start":"18:12","end":"19:12","startHours":18.1996562128403,"endHours":19.1996562128403,"planetary_lord":"Sun"},{"name":"Hora 13","start":"19:12","end":"20:12","startHours":19.1996562128403,"endHours":20.1996562128403,"planetary_lord":"Mars"},{"name":"Hora 14","start":"20:12","end":"21:12","startHours":20.1996562128403,"endHours":21.1996562128403,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"21:12","end":"22:12","startHours":21.1996562128403,"endHours":22.1996562128403,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"22:12","end":"23:12","startHours":22.1996562128403,"endHours":23.1996562128403,"planetary_lord":"Moon"},{"name":"Hora 17","start":"23:12","end":"00:12","startHours":23.1996562128403,"endHours":24.1996562128403,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"00:12","end":"01:12","startHours":24.1996562128403,"endHours":25.1996562128403,"planetary_lord":"Venus"},{"name":"Hora 19","start":"01:12","end":"02:12","startHours":25.1996562128403,"endHours":26.1996562128403,"planetary_lord":"Sun"},{"name":"Hora 20","start":"02:12","end":"03:12","startHours":26.1996562128403,"endHours":27.1996562128403,"planetary_lord":"Mars"},{"name":"Hora 21","start":"03:12","end":"04:12","startHours":27.1996562128403,"endHours":28.1996562128403,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"04:12","end":"05:12","startHours":28.1996562128403,"endHours":29.1996562128403,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"05:12","end":"06:12","startHours":29.1996562128403,"endHours":30.1996562128403,"planetary_lord":"Moon"},{"name":"Hora 24","start":"06:12","end":"07:12","startHours":30.1996562128403,"endHours":31.1996562128403,"planetary_lord":"Mercury"}],"taraBala":{"favorable_nakshatras":["Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Svātī","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj"],"unfavorable_nakshatras":["Aśvinī","Punarvasu","Puṣya","Aśleṣā","Maghā","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Bhādrapadā","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":"Lumba","quality":"Auspicious"},"tropicalRitu":"Hemanta (Pre-winter) (tropical)","vedicRitu":"Hemanta (Pre-winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-23.353151644425374,"eotMinutes":-1.4247061154310068,"ayanamsa":22.6514}},"calendars":{"vikram_samvat":1970,"vikram_samvatsara":"Akṣaya","saka_samvat":1835,"saka_samvatsara":"Pramādī","bengali_samvat":1320,"malayalam_era":1089,"nanakshahi_year":444,"lunar_month":"Pauṣa","lunar_month_paksha_full":"Pauṣa Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Pauṣa","lunar_month_amanta":"Mārgaśīrṣa","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Dhanus (Mārgaḻi)","ritu":"Hemanta (Pre-winter)","display_summary":"Pauṣa Kṛṣṇa Amāvasyā · Vikram 1970 Akṣaya · Śaka 1835 Pramādī"},"festivals":[],"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":[{"historical_date":"-3137-10-20","event":"Karṇa-Vadha (Mahābhārata Day 17)","chart_id":"karna","shared_marker":"same Kṛṣṇa Amāvasyā","url":"/day/-3137-10-20","relevance":0.5}]},"validity":{"eternal":false,"location_specific":"rishikesh"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga December 27, 1913 CE · Ṛṣikeśa · Vidhyamitra","description":"December 27, 1913 CE for Ṛṣikeśa: Kṛṣṇa Amāvasyā, sūryodaya 07:12, sūryāsta 17:25.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/1913-12-27","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/1913-12-27","sa":"https://sa.vidhyamitra.com/city/rishikesh/1913-12-27","hi":"https://hi.vidhyamitra.com/city/rishikesh/1913-12-27","x-default":"https://vidhyamitra.com/city/rishikesh/1913-12-27"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-01T00:08:46.618Z","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":"2026-06-01T00:08:46.618Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-01T00:08:46.618Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}