{"id":"vidhyamitra:city-day:rishikesh:2013-06-12:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/2013-06-12","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2013-06-12","date_display":"June 12, 2013 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":2013,"month":6,"day":12,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2456455.770833,"kali_year":5115,"ahargana":1867990.2708,"sun":{"sidereal_longitude":56.981,"rashi":2,"rashi_name":"Vṛṣabha"},"moon":{"sidereal_longitude":97.3278,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":4,"name":"Caturthī","paksha":"Śukla","full_name":"Śukla Caturthī","elongation_degrees":40.3468,"elapsed_within_tithi_degrees":4.3468},"nakshatra":{"number":8,"name":"Puṣya","pada":2,"moon_longitude":97.3278,"elapsed_within_degrees":3.9945},"yoga":{"number":12,"name":"Dhruva","sum_longitude":154.3088},"karana":{"half_tithi_index":6,"name":"Vaṇija"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"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":2013,"month":6,"day":12,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2456455.770833,"ahargana":1867990.2708,"kali_year":5115,"ayanamsa_lahiri":24.0408,"grahas":{"sun":{"sidereal_longitude":57.21408300000002,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":2},"retrograde":false},"moon":{"sidereal_longitude":93.98378300000002,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":1},"retrograde":false,"latitude":-4.2899},"mars":{"sidereal_longitude":44.01348300000001,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":81.39128299999999,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":62.257383000000004,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":3},"retrograde":false},"venus":{"sidereal_longitude":76.710983,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":191.08238299999994,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":2},"retrograde":true},"rahu":{"sidereal_longitude":204.8861,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":24.8861,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":4},"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":2013,"month":6,"day":12,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2456455.770833,"kali_year":5115,"ahargana":1867990.2708,"sun":{"sidereal_longitude":56.981,"rashi":2,"rashi_name":"Vṛṣabha"},"moon":{"sidereal_longitude":97.3278,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":4,"name":"Caturthī","paksha":"Śukla","full_name":"Śukla Caturthī","elongation_degrees":40.3468,"elapsed_within_tithi_degrees":4.3468},"nakshatra":{"number":8,"name":"Puṣya","pada":2,"moon_longitude":97.3278,"elapsed_within_degrees":3.9945},"yoga":{"number":12,"name":"Dhruva","sum_longitude":154.3088},"karana":{"half_tithi_index":6,"name":"Vaṇija"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-4.29,"elongation":40.347},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-4.29,"opposition_distance":139.653}},"eclipse_window_40days":[{"offset_days":-18,"type":"lunar","occurs":true,"moon_latitude":0.875,"opposition_distance":2.792}]},"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":"05:15","sunsetLocal":"19:18","solarNoonLocal":"12:17","dayLengthHours":14.056626795103645,"dayLengthDisplay":"14 Hours 03 Mins 24 Secs","nightLengthDisplay":"9 Hours 56 Mins 36 Secs","moonriseLocal":"07:50","moonsetLocal":"21:37","rahuKala":{"name":"Rāhu Kāla","start":"12:17","end":"14:02","startHours":12.27523683065635,"endHours":14.032315180044307,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"07:00","end":"08:46","startHours":7.004001782492485,"endHours":8.76108013188044,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"10:31","end":"12:17","startHours":10.518158481268395,"endHours":12.27523683065635,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:32","end":"09:00","startHours":8.526803018628712,"endHours":8.995357245132167,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"05:50","end":"06:12","startHours":5.8326162162338475,"endHours":6.207459597436611,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:48","end":"12:45","startHours":11.806682604152895,"endHours":12.743791057159806,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:22","end":"04:19","startHours":3.3727065270907097,"endHours":4.309814980097619,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:05","end":"05:15","startHours":4.075537866845892,"endHours":5.246923433104529,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:37","end":"15:33","startHours":14.618007963173627,"endHours":15.555116416180537,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"19:06","end":"19:30","startHours":19.103550228208174,"endHours":19.503550228208173,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:18","end":"19:53","startHours":19.303550228208174,"endHours":19.88924301133749,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"19:03","end":"20:48","startHours":19.053550228208174,"endHours":20.803550228208174,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:48","end":"00:45","startHours":23.806682604152897,"endHours":24.743791057159804,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Labha","start":"05:15","end":"07:00","startHours":5.246923433104529,"endHours":7.004001782492485,"quality":"auspicious"},{"name":"Amṛta","start":"07:00","end":"08:46","startHours":7.004001782492485,"endHours":8.76108013188044,"quality":"auspicious"},{"name":"Kāla","start":"08:46","end":"10:31","startHours":8.76108013188044,"endHours":10.518158481268395,"quality":"inauspicious"},{"name":"Śubha","start":"10:31","end":"12:17","startHours":10.518158481268395,"endHours":12.27523683065635,"quality":"auspicious"},{"name":"Roga","start":"12:17","end":"14:02","startHours":12.27523683065635,"endHours":14.032315180044307,"quality":"inauspicious"},{"name":"Udveg","start":"14:02","end":"15:47","startHours":14.032315180044307,"endHours":15.789393529432262,"quality":"inauspicious"},{"name":"Chala","start":"15:47","end":"17:33","startHours":15.789393529432262,"endHours":17.54647187882022,"quality":"neutral"},{"name":"Labha","start":"17:33","end":"19:18","startHours":17.54647187882022,"endHours":19.303550228208174,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Udveg","start":"19:18","end":"20:33","startHours":19.303550228208174,"endHours":20.546471878820217,"quality":"inauspicious"},{"name":"Chala","start":"20:33","end":"21:47","startHours":20.546471878820217,"endHours":21.789393529432264,"quality":"neutral"},{"name":"Labha","start":"21:47","end":"23:02","startHours":21.789393529432264,"endHours":23.032315180044307,"quality":"auspicious"},{"name":"Amṛta","start":"23:02","end":"00:17","startHours":23.032315180044307,"endHours":24.27523683065635,"quality":"auspicious"},{"name":"Kāla","start":"00:17","end":"01:31","startHours":24.27523683065635,"endHours":25.518158481268394,"quality":"inauspicious"},{"name":"Śubha","start":"01:31","end":"02:46","startHours":25.518158481268394,"endHours":26.76108013188044,"quality":"auspicious"},{"name":"Roga","start":"02:46","end":"04:00","startHours":26.76108013188044,"endHours":28.004001782492484,"quality":"inauspicious"},{"name":"Udveg","start":"04:00","end":"05:15","startHours":28.004001782492484,"endHours":29.246923433104527,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"05:15","end":"06:15","startHours":5.246923433104529,"endHours":6.246923433104529,"planetary_lord":"Mercury"},{"name":"Hora 2","start":"06:15","end":"07:15","startHours":6.246923433104529,"endHours":7.246923433104529,"planetary_lord":"Venus"},{"name":"Hora 3","start":"07:15","end":"08:15","startHours":7.246923433104529,"endHours":8.246923433104529,"planetary_lord":"Sun"},{"name":"Hora 4","start":"08:15","end":"09:15","startHours":8.246923433104529,"endHours":9.246923433104529,"planetary_lord":"Mars"},{"name":"Hora 5","start":"09:15","end":"10:15","startHours":9.246923433104529,"endHours":10.246923433104529,"planetary_lord":"Jupiter"},{"name":"Hora 6","start":"10:15","end":"11:15","startHours":10.246923433104529,"endHours":11.246923433104529,"planetary_lord":"Saturn"},{"name":"Hora 7","start":"11:15","end":"12:15","startHours":11.246923433104529,"endHours":12.246923433104529,"planetary_lord":"Moon"},{"name":"Hora 8","start":"12:15","end":"13:15","startHours":12.246923433104529,"endHours":13.246923433104529,"planetary_lord":"Mercury"},{"name":"Hora 9","start":"13:15","end":"14:15","startHours":13.246923433104529,"endHours":14.246923433104529,"planetary_lord":"Venus"},{"name":"Hora 10","start":"14:15","end":"15:15","startHours":14.246923433104529,"endHours":15.246923433104529,"planetary_lord":"Sun"},{"name":"Hora 11","start":"15:15","end":"16:15","startHours":15.246923433104529,"endHours":16.246923433104527,"planetary_lord":"Mars"},{"name":"Hora 12","start":"16:15","end":"17:15","startHours":16.246923433104527,"endHours":17.246923433104527,"planetary_lord":"Jupiter"},{"name":"Hora 13","start":"17:15","end":"18:15","startHours":17.246923433104527,"endHours":18.246923433104527,"planetary_lord":"Saturn"},{"name":"Hora 14","start":"18:15","end":"19:15","startHours":18.246923433104527,"endHours":19.246923433104527,"planetary_lord":"Moon"},{"name":"Hora 15","start":"19:15","end":"20:15","startHours":19.246923433104527,"endHours":20.246923433104527,"planetary_lord":"Mercury"},{"name":"Hora 16","start":"20:15","end":"21:15","startHours":20.246923433104527,"endHours":21.246923433104527,"planetary_lord":"Venus"},{"name":"Hora 17","start":"21:15","end":"22:15","startHours":21.246923433104527,"endHours":22.246923433104527,"planetary_lord":"Sun"},{"name":"Hora 18","start":"22:15","end":"23:15","startHours":22.246923433104527,"endHours":23.246923433104527,"planetary_lord":"Mars"},{"name":"Hora 19","start":"23:15","end":"00:15","startHours":23.246923433104527,"endHours":24.246923433104527,"planetary_lord":"Jupiter"},{"name":"Hora 20","start":"00:15","end":"01:15","startHours":24.246923433104527,"endHours":25.246923433104527,"planetary_lord":"Saturn"},{"name":"Hora 21","start":"01:15","end":"02:15","startHours":25.246923433104527,"endHours":26.246923433104527,"planetary_lord":"Moon"},{"name":"Hora 22","start":"02:15","end":"03:15","startHours":26.246923433104527,"endHours":27.246923433104527,"planetary_lord":"Mercury"},{"name":"Hora 23","start":"03:15","end":"04:15","startHours":27.246923433104527,"endHours":28.246923433104527,"planetary_lord":"Venus"},{"name":"Hora 24","start":"04:15","end":"05:15","startHours":28.246923433104527,"endHours":29.246923433104527,"planetary_lord":"Sun"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Revatī"],"unfavorable_nakshatras":["Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Citrā","Svātī","Viśākhā","Anurādhā","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Vṛṣabha","Karka","Kanyā","Dhanu","Makara"],"unfavorable_rashis":["Mithuna","Siṃha","Tulā","Vṛścika","Kumbha","Mīna"]},"dishaShool":"North (Uttara)","chandraVasa":"South-West","rahuVasa":"South-West","anandadiYoga":{"name":"Śubha","quality":"Auspicious"},"drikRitu":"Grīṣma (Summer) (Drik)","vedicRitu":"Vasanta (Spring)","drikAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":23.14806508009502,"eotMinutes":0.4153901606190271,"ayanamsa":24.0408}},"calendars":{"vikram_samvat":2070,"vikram_samvatsara":"Parābhava","saka_samvat":1935,"saka_samvatsara":"Vijaya","bengali_samvat":1420,"malayalam_era":1189,"nanakshahi_year":544,"lunar_month":"Jyeṣṭha","lunar_month_paksha_full":"Jyeṣṭha Śukla Pakṣa","solar_month":"Vṛṣabha (Vaikāsi)","ritu":"Grīṣma (Summer)","display_summary":"Jyeṣṭha Śukla Caturthī · Vikram 2070 Parābhava · Śaka 1935 Vijaya"},"festivals":[{"id":"vrishabha-sankranti","name":"Vṛṣabha Saṅkrānti","name_sanskrit":"वृषभ सङ्क्रान्ति","tradition":"Pan-Hindu","significance":"Sun enters Taurus.","vrata":false,"detection":{"sun_rashi":"Vṛṣabha"},"precedence":5},{"id":"vinayaka-chaturthi","name":"Vināyaka Caturthī (monthly)","name_sanskrit":"विनायक चतुर्थी","tradition":"Pan-Hindu","associated_deity":"Gaṇeśa","significance":"Monthly Śukla-pakṣa Caturthī; auspicious for new ventures.","vrata":true,"detection":{"tithi_number":4,"tithi_paksha":"Śukla"},"precedence":6}],"todays_walk":{"walk":{"id":"budha-walk","name":"Budha Walk","name_sanskrit":"बुध यात्रा","type":"graha","description":"Discrimination + BG 2.41 (vyavasāyātmikā buddhi).","step_count":6,"url":"/walk/budha-walk"},"reason":"Budhavāra (Wednesday) — its presiding graha's walk."},"cosmic_resonances":[]},"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 June 12, 2013 CE · Ṛṣikeśa · Vidhyamitra","description":"June 12, 2013 CE for Ṛṣikeśa: Śukla Caturthī, sūryodaya 05:15, sūryāsta 19:18.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/2013-06-12","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/2013-06-12","sa":"https://sa.vidhyamitra.com/city/rishikesh/2013-06-12","hi":"https://hi.vidhyamitra.com/city/rishikesh/2013-06-12","x-default":"https://vidhyamitra.com/city/rishikesh/2013-06-12"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-17T01:23:55.135Z","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":"2026-05-17T01:23:55.135Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-17T01:23:55.135Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}