{"id":"vidhyamitra:city-day:rishikesh:2012-04-30:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/2012-04-30","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2012-04-30","date_display":"April 30, 2012 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":2012,"month":4,"day":30,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2456047.770833,"kali_year":5114,"ahargana":1867582.2708,"sun":{"sidereal_longitude":16.1143,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":117.2989,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":9,"name":"Navamī","paksha":"Śukla","full_name":"Śukla Navamī","elongation_degrees":101.1845,"elapsed_within_tithi_degrees":5.1845},"nakshatra":{"number":9,"name":"Āśleṣā","pada":4,"moon_longitude":117.2989,"elapsed_within_degrees":10.6322},"yoga":{"number":11,"name":"Vṛddhi","sum_longitude":133.4132},"karana":{"half_tithi_index":16,"name":"Bālava"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"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":2012,"month":4,"day":30,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2456047.770833,"ahargana":1867582.2708,"kali_year":5114,"ayanamsa_lahiri":24.0252,"grahas":{"sun":{"sidereal_longitude":16.078870999999992,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":1},"retrograde":false},"moon":{"sidereal_longitude":113.68127100000004,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":3},"retrograde":false,"latitude":-4.2491},"mars":{"sidereal_longitude":130.908371,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":4},"retrograde":true},"mercury":{"sidereal_longitude":351.165471,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":25.73407100000003,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":4},"retrograde":false},"venus":{"sidereal_longitude":55.669670999999994,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":1},"retrograde":true},"saturn":{"sidereal_longitude":180.83597099999997,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":3},"retrograde":true},"rahu":{"sidereal_longitude":226.5039,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":46.5039,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","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":2012,"month":4,"day":30,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2456047.770833,"kali_year":5114,"ahargana":1867582.2708,"sun":{"sidereal_longitude":16.1143,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":117.2989,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":9,"name":"Navamī","paksha":"Śukla","full_name":"Śukla Navamī","elongation_degrees":101.1845,"elapsed_within_tithi_degrees":5.1845},"nakshatra":{"number":9,"name":"Āśleṣā","pada":4,"moon_longitude":117.2989,"elapsed_within_degrees":10.6322},"yoga":{"number":11,"name":"Vṛddhi","sum_longitude":133.4132},"karana":{"half_tithi_index":16,"name":"Bālava"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-4.249,"elongation":101.185},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-4.249,"opposition_distance":78.815}},"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":"05:35","sunsetLocal":"18:54","solarNoonLocal":"12:14","dayLengthHours":13.312406001961293,"dayLengthDisplay":"13 Hours 18 Mins 45 Secs","nightLengthDisplay":"10 Hours 41 Mins 15 Secs","moonriseLocal":"12:05","moonsetLocal":"01:24","rahuKala":{"name":"Rāhu Kāla","start":"07:15","end":"08:54","startHours":7.243583396111146,"endHours":8.907634146356308,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"10:34","end":"12:14","startHours":10.571684896601468,"endHours":12.235735646846631,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"13:54","end":"15:34","startHours":13.899786397091791,"endHours":15.563837147336955,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:41","end":"09:08","startHours":8.685760712990286,"endHours":9.129507579722329,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:08","end":"06:29","startHours":6.134216229281038,"endHours":6.489213722666673,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:48","end":"12:41","startHours":11.791988780114588,"endHours":12.679482513578675,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:48","end":"04:42","startHours":3.8045451789378117,"endHours":4.692038912401898,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:28","end":"05:35","startHours":4.4701654790358765,"endHours":5.579532645865984,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:27","end":"15:21","startHours":14.454469980506847,"endHours":15.341963713970934,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:42","end":"19:06","startHours":18.69193864782728,"endHours":19.091938647827277,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:54","end":"19:27","startHours":18.891938647827278,"endHours":19.44662223124233,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:39","end":"20:24","startHours":18.641938647827278,"endHours":20.391938647827278,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:48","end":"00:41","startHours":23.79198878011459,"endHours":24.679482513578673,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Amṛta","start":"05:35","end":"07:15","startHours":5.579532645865984,"endHours":7.243583396111146,"quality":"auspicious"},{"name":"Kāla","start":"07:15","end":"08:54","startHours":7.243583396111146,"endHours":8.907634146356308,"quality":"inauspicious"},{"name":"Śubha","start":"08:54","end":"10:34","startHours":8.907634146356308,"endHours":10.571684896601468,"quality":"auspicious"},{"name":"Roga","start":"10:34","end":"12:14","startHours":10.571684896601468,"endHours":12.235735646846631,"quality":"inauspicious"},{"name":"Udveg","start":"12:14","end":"13:54","startHours":12.235735646846631,"endHours":13.899786397091791,"quality":"inauspicious"},{"name":"Chala","start":"13:54","end":"15:34","startHours":13.899786397091791,"endHours":15.563837147336955,"quality":"neutral"},{"name":"Labha","start":"15:34","end":"17:14","startHours":15.563837147336955,"endHours":17.227887897582114,"quality":"auspicious"},{"name":"Amṛta","start":"17:14","end":"18:54","startHours":17.227887897582114,"endHours":18.891938647827278,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Chala","start":"18:54","end":"20:14","startHours":18.891938647827278,"endHours":20.227887897582114,"quality":"neutral"},{"name":"Labha","start":"20:14","end":"21:34","startHours":20.227887897582114,"endHours":21.563837147336955,"quality":"auspicious"},{"name":"Amṛta","start":"21:34","end":"22:54","startHours":21.563837147336955,"endHours":22.899786397091795,"quality":"auspicious"},{"name":"Kāla","start":"22:54","end":"00:14","startHours":22.899786397091795,"endHours":24.23573564684663,"quality":"inauspicious"},{"name":"Śubha","start":"00:14","end":"01:34","startHours":24.23573564684663,"endHours":25.571684896601468,"quality":"auspicious"},{"name":"Roga","start":"01:34","end":"02:54","startHours":25.571684896601468,"endHours":26.90763414635631,"quality":"inauspicious"},{"name":"Udveg","start":"02:54","end":"04:15","startHours":26.90763414635631,"endHours":28.24358339611115,"quality":"inauspicious"},{"name":"Chala","start":"04:15","end":"05:35","startHours":28.24358339611115,"endHours":29.579532645865985,"quality":"neutral"}],"horas":[{"name":"Hora 1","start":"05:35","end":"06:35","startHours":5.579532645865984,"endHours":6.579532645865984,"planetary_lord":"Moon"},{"name":"Hora 2","start":"06:35","end":"07:35","startHours":6.579532645865984,"endHours":7.579532645865984,"planetary_lord":"Mercury"},{"name":"Hora 3","start":"07:35","end":"08:35","startHours":7.579532645865984,"endHours":8.579532645865985,"planetary_lord":"Venus"},{"name":"Hora 4","start":"08:35","end":"09:35","startHours":8.579532645865985,"endHours":9.579532645865985,"planetary_lord":"Sun"},{"name":"Hora 5","start":"09:35","end":"10:35","startHours":9.579532645865985,"endHours":10.579532645865985,"planetary_lord":"Mars"},{"name":"Hora 6","start":"10:35","end":"11:35","startHours":10.579532645865985,"endHours":11.579532645865985,"planetary_lord":"Jupiter"},{"name":"Hora 7","start":"11:35","end":"12:35","startHours":11.579532645865985,"endHours":12.579532645865985,"planetary_lord":"Saturn"},{"name":"Hora 8","start":"12:35","end":"13:35","startHours":12.579532645865985,"endHours":13.579532645865985,"planetary_lord":"Moon"},{"name":"Hora 9","start":"13:35","end":"14:35","startHours":13.579532645865985,"endHours":14.579532645865985,"planetary_lord":"Mercury"},{"name":"Hora 10","start":"14:35","end":"15:35","startHours":14.579532645865985,"endHours":15.579532645865985,"planetary_lord":"Venus"},{"name":"Hora 11","start":"15:35","end":"16:35","startHours":15.579532645865985,"endHours":16.579532645865985,"planetary_lord":"Sun"},{"name":"Hora 12","start":"16:35","end":"17:35","startHours":16.579532645865985,"endHours":17.579532645865985,"planetary_lord":"Mars"},{"name":"Hora 13","start":"17:35","end":"18:35","startHours":17.579532645865985,"endHours":18.579532645865985,"planetary_lord":"Jupiter"},{"name":"Hora 14","start":"18:35","end":"19:35","startHours":18.579532645865985,"endHours":19.579532645865985,"planetary_lord":"Saturn"},{"name":"Hora 15","start":"19:35","end":"20:35","startHours":19.579532645865985,"endHours":20.579532645865985,"planetary_lord":"Moon"},{"name":"Hora 16","start":"20:35","end":"21:35","startHours":20.579532645865985,"endHours":21.579532645865985,"planetary_lord":"Mercury"},{"name":"Hora 17","start":"21:35","end":"22:35","startHours":21.579532645865985,"endHours":22.579532645865985,"planetary_lord":"Venus"},{"name":"Hora 18","start":"22:35","end":"23:35","startHours":22.579532645865985,"endHours":23.579532645865985,"planetary_lord":"Sun"},{"name":"Hora 19","start":"23:35","end":"00:35","startHours":23.579532645865985,"endHours":24.579532645865985,"planetary_lord":"Mars"},{"name":"Hora 20","start":"00:35","end":"01:35","startHours":24.579532645865985,"endHours":25.579532645865985,"planetary_lord":"Jupiter"},{"name":"Hora 21","start":"01:35","end":"02:35","startHours":25.579532645865985,"endHours":26.579532645865985,"planetary_lord":"Saturn"},{"name":"Hora 22","start":"02:35","end":"03:35","startHours":26.579532645865985,"endHours":27.579532645865985,"planetary_lord":"Moon"},{"name":"Hora 23","start":"03:35","end":"04:35","startHours":27.579532645865985,"endHours":28.579532645865985,"planetary_lord":"Mercury"},{"name":"Hora 24","start":"04:35","end":"05:35","startHours":28.579532645865985,"endHours":29.579532645865985,"planetary_lord":"Venus"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā"],"unfavorable_nakshatras":["Ārdrā","Punarvasu","Puṣya","Aśleṣā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"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":"East (Pūrva)","chandraVasa":"South-West","rahuVasa":"North-East","anandadiYoga":{"name":"Mānasa","quality":"Auspicious"},"drikRitu":"Vasanta (Spring) (Drik)","vedicRitu":"Vasanta (Spring)","drikAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":14.845324353157652,"eotMinutes":2.785461189202204,"ayanamsa":24.0252}},"calendars":{"vikram_samvat":2069,"vikram_samvatsara":"Viśvāvasu","saka_samvat":1934,"saka_samvatsara":"Nandana","bengali_samvat":1419,"malayalam_era":1188,"nanakshahi_year":543,"lunar_month":"Vaiśākha","lunar_month_paksha_full":"Vaiśākha Śukla Pakṣa","solar_month":"Mēsha (Cittirai / Vaiśākhī)","ritu":"Vasanta (Spring)","display_summary":"Vaiśākha Śukla Navamī · Vikram 2069 Viśvāvasu · Śaka 1934 Nandana"},"festivals":[{"id":"mesha-sankranti","name":"Meṣa Saṅkrānti (Vaiśākhī / Vishu / Pohelā Boishākh / Bihu)","name_sanskrit":"मेष सङ्क्रान्ति","tradition":"Pan-Hindu","associated_deity":"Sūrya Bhagavān","significance":"Sun enters Aries; solar new year. Regional: Vaiśākhī (Punjab) · Vishu (Kerala) · Pohelā Boishākh (Bengal) · Bihu (Assam) · Tamil Puthāṇḍu.","vrata":false,"detection":{"sun_rashi":"Meṣa"},"precedence":1},{"id":"sita-navami","name":"Sītā Navamī","name_sanskrit":"सीता नवमी","tradition":"Vaishnava","associated_deity":"Sītā Devī (Lakṣmī as Bhū-suta)","significance":"Devī Sītā's manifestation in Mithilā; rāmāvatāra-kalatra.","vrata":true,"detection":{"tithi_number":9,"tithi_paksha":"Śukla","lunar_month":"Vaiśākha"},"precedence":2,"sources":["Vālmīki Rāmāyaṇa, Bāla-Kāṇḍa 66"]},{"id":"baisakhi","name":"Baisakhi (Vaiśākhī)","name_sanskrit":"वैशाखी","tradition":"Regional","associated_deity":"Sūrya + Khalsa Pantha (Sikh)","significance":"Punjab New Year + Sikh Khalsa founding day.","vrata":false,"detection":{"sun_rashi":"Meṣa"},"precedence":2},{"id":"madhva-jayanti","name":"Madhvācārya Jayantī","name_sanskrit":"मध्वाचार्य जयन्ती","tradition":"Vaishnava","associated_deity":"Madhvācārya (Dvaita)","significance":"Birth of Madhvācārya; Dvaita-pratiṣṭhāpaka. Vaiśākha Śukla 9.","vrata":false,"detection":{"tithi_number":9,"tithi_paksha":"Śukla","lunar_month":"Vaiśākha"},"precedence":4}],"todays_walk":{"walk":{"id":"chandra-walk","name":"Candra Walk","name_sanskrit":"चन्द्र यात्रा","type":"graha","description":"Manas-control + BG 6.5-7.","step_count":5,"url":"/walk/chandra-walk"},"reason":"Somavāra (Monday) — its presiding graha's walk."},"cosmic_resonances":[{"historical_date":"-1626101-04-03","event":"Bhagavān Rāma's birth at Ayodhyā","chart_id":"rama","shared_marker":"same Śukla Navamī","url":"/day/-1626101-04-03","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 April 30, 2012 CE · Ṛṣikeśa · Vidhyamitra","description":"April 30, 2012 CE for Ṛṣikeśa: Śukla Navamī, sūryodaya 05:35, sūryāsta 18:54.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/2012-04-30","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/2012-04-30","sa":"https://sa.vidhyamitra.com/city/rishikesh/2012-04-30","hi":"https://hi.vidhyamitra.com/city/rishikesh/2012-04-30","x-default":"https://vidhyamitra.com/city/rishikesh/2012-04-30"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-15T15:54:07.295Z","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":"2026-05-15T15:54:07.295Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-15T15:54:07.295Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}