{"id":"vidhyamitra:city-day:rishikesh:2028-04-07:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/2028-04-07","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2028-04-07","date_display":"April 7, 2028 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":2028,"month":4,"day":7,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2461868.770833,"kali_year":5129,"ahargana":1873403.2708,"sun":{"sidereal_longitude":353.5912,"rashi":12,"rashi_name":"Mīna"},"moon":{"sidereal_longitude":142.6033,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":13,"name":"Trayodaśī","paksha":"Śukla","full_name":"Śukla Trayodaśī","elongation_degrees":149.0122,"elapsed_within_tithi_degrees":5.0122},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":3,"moon_longitude":142.6033,"elapsed_within_degrees":9.27},"yoga":{"number":11,"name":"Vṛddhi","sum_longitude":136.1945},"karana":{"half_tithi_index":24,"name":"Kaulava"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"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":2028,"month":4,"day":7,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2461868.770833,"ahargana":1873403.2708,"kali_year":5129,"ayanamsa_lahiri":24.2478,"grahas":{"sun":{"sidereal_longitude":353.503666,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":3},"retrograde":false},"moon":{"sidereal_longitude":140.275466,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":3},"retrograde":false,"latitude":-3.1538},"mars":{"sidereal_longitude":349.440866,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":347.764266,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":145.122366,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":4},"retrograde":true},"venus":{"sidereal_longitude":38.18456600000002,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":5.002165999999988,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":278.0793,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":98.0793,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","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":2028,"month":4,"day":7,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2461868.770833,"kali_year":5129,"ahargana":1873403.2708,"sun":{"sidereal_longitude":353.5912,"rashi":12,"rashi_name":"Mīna"},"moon":{"sidereal_longitude":142.6033,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":13,"name":"Trayodaśī","paksha":"Śukla","full_name":"Śukla Trayodaśī","elongation_degrees":149.0122,"elapsed_within_tithi_degrees":5.0122},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":3,"moon_longitude":142.6033,"elapsed_within_degrees":9.27},"yoga":{"number":11,"name":"Vṛddhi","sum_longitude":136.1945},"karana":{"half_tithi_index":24,"name":"Kaulava"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-3.154,"elongation":149.012},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-3.154,"opposition_distance":30.988}},"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":"05:59","sunsetLocal":"18:40","solarNoonLocal":"12:19","dayLengthHours":12.67088974168319,"dayLengthDisplay":"12 Hours 40 Mins 15 Secs","nightLengthDisplay":"11 Hours 19 Mins 45 Secs","moonriseLocal":"15:50","moonsetLocal":"04:23","rahuKala":{"name":"Rāhu Kāla","start":"10:44","end":"12:19","startHours":10.739765658036816,"endHours":12.323626875747216,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"15:29","end":"17:05","startHours":15.491349311168012,"endHours":17.07521052887841,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"07:34","end":"09:09","startHours":7.572043222616019,"endHours":9.155904440326417,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:57","end":"09:22","startHours":8.944722944631698,"endHours":9.367085936021137,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:31","end":"06:51","startHours":6.51613574414242,"endHours":6.854026137253972,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:54","end":"12:45","startHours":11.901263884357776,"endHours":12.745989867136656,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:18","end":"05:09","startHours":4.298730039347861,"endHours":5.143456022126741,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:56","end":"05:59","startHours":4.932274526432021,"endHours":5.98818200490562,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:26","end":"15:17","startHours":14.435441832694412,"endHours":15.280167815473291,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:28","end":"18:52","startHours":18.459071746588812,"endHours":18.85907174658881,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:40","end":"19:11","startHours":18.65907174658881,"endHours":19.18702548582561,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:25","end":"20:10","startHours":18.40907174658881,"endHours":20.15907174658881,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:54","end":"00:45","startHours":23.901263884357775,"endHours":24.745989867136657,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Chala","start":"05:59","end":"07:34","startHours":5.98818200490562,"endHours":7.572043222616019,"quality":"neutral"},{"name":"Labha","start":"07:34","end":"09:09","startHours":7.572043222616019,"endHours":9.155904440326417,"quality":"auspicious"},{"name":"Amṛta","start":"09:09","end":"10:44","startHours":9.155904440326417,"endHours":10.739765658036816,"quality":"auspicious"},{"name":"Kāla","start":"10:44","end":"12:19","startHours":10.739765658036816,"endHours":12.323626875747216,"quality":"inauspicious"},{"name":"Śubha","start":"12:19","end":"13:54","startHours":12.323626875747216,"endHours":13.907488093457614,"quality":"auspicious"},{"name":"Roga","start":"13:54","end":"15:29","startHours":13.907488093457614,"endHours":15.491349311168012,"quality":"inauspicious"},{"name":"Udveg","start":"15:29","end":"17:05","startHours":15.491349311168012,"endHours":17.07521052887841,"quality":"inauspicious"},{"name":"Chala","start":"17:05","end":"18:40","startHours":17.07521052887841,"endHours":18.65907174658881,"quality":"neutral"}],"nightChoghadiyas":[{"name":"Roga","start":"18:40","end":"20:05","startHours":18.65907174658881,"endHours":20.07521052887841,"quality":"inauspicious"},{"name":"Udveg","start":"20:05","end":"21:29","startHours":20.07521052887841,"endHours":21.491349311168015,"quality":"inauspicious"},{"name":"Chala","start":"21:29","end":"22:54","startHours":21.491349311168015,"endHours":22.907488093457616,"quality":"neutral"},{"name":"Labha","start":"22:54","end":"00:19","startHours":22.907488093457616,"endHours":24.323626875747216,"quality":"auspicious"},{"name":"Amṛta","start":"00:19","end":"01:44","startHours":24.323626875747216,"endHours":25.739765658036816,"quality":"auspicious"},{"name":"Kāla","start":"01:44","end":"03:09","startHours":25.739765658036816,"endHours":27.155904440326417,"quality":"inauspicious"},{"name":"Śubha","start":"03:09","end":"04:34","startHours":27.155904440326417,"endHours":28.57204322261602,"quality":"auspicious"},{"name":"Roga","start":"04:34","end":"05:59","startHours":28.57204322261602,"endHours":29.98818200490562,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"05:59","end":"06:59","startHours":5.98818200490562,"endHours":6.98818200490562,"planetary_lord":"Venus"},{"name":"Hora 2","start":"06:59","end":"07:59","startHours":6.98818200490562,"endHours":7.98818200490562,"planetary_lord":"Sun"},{"name":"Hora 3","start":"07:59","end":"08:59","startHours":7.98818200490562,"endHours":8.988182004905621,"planetary_lord":"Mars"},{"name":"Hora 4","start":"08:59","end":"09:59","startHours":8.988182004905621,"endHours":9.988182004905621,"planetary_lord":"Jupiter"},{"name":"Hora 5","start":"09:59","end":"10:59","startHours":9.988182004905621,"endHours":10.988182004905621,"planetary_lord":"Saturn"},{"name":"Hora 6","start":"10:59","end":"11:59","startHours":10.988182004905621,"endHours":11.988182004905621,"planetary_lord":"Moon"},{"name":"Hora 7","start":"11:59","end":"12:59","startHours":11.988182004905621,"endHours":12.988182004905621,"planetary_lord":"Mercury"},{"name":"Hora 8","start":"12:59","end":"13:59","startHours":12.988182004905621,"endHours":13.988182004905621,"planetary_lord":"Venus"},{"name":"Hora 9","start":"13:59","end":"14:59","startHours":13.988182004905621,"endHours":14.988182004905621,"planetary_lord":"Sun"},{"name":"Hora 10","start":"14:59","end":"15:59","startHours":14.988182004905621,"endHours":15.988182004905621,"planetary_lord":"Mars"},{"name":"Hora 11","start":"15:59","end":"16:59","startHours":15.988182004905621,"endHours":16.98818200490562,"planetary_lord":"Jupiter"},{"name":"Hora 12","start":"16:59","end":"17:59","startHours":16.98818200490562,"endHours":17.98818200490562,"planetary_lord":"Saturn"},{"name":"Hora 13","start":"17:59","end":"18:59","startHours":17.98818200490562,"endHours":18.98818200490562,"planetary_lord":"Moon"},{"name":"Hora 14","start":"18:59","end":"19:59","startHours":18.98818200490562,"endHours":19.98818200490562,"planetary_lord":"Mercury"},{"name":"Hora 15","start":"19:59","end":"20:59","startHours":19.98818200490562,"endHours":20.98818200490562,"planetary_lord":"Venus"},{"name":"Hora 16","start":"20:59","end":"21:59","startHours":20.98818200490562,"endHours":21.98818200490562,"planetary_lord":"Sun"},{"name":"Hora 17","start":"21:59","end":"22:59","startHours":21.98818200490562,"endHours":22.98818200490562,"planetary_lord":"Mars"},{"name":"Hora 18","start":"22:59","end":"23:59","startHours":22.98818200490562,"endHours":23.98818200490562,"planetary_lord":"Jupiter"},{"name":"Hora 19","start":"23:59","end":"00:59","startHours":23.98818200490562,"endHours":24.98818200490562,"planetary_lord":"Saturn"},{"name":"Hora 20","start":"00:59","end":"01:59","startHours":24.98818200490562,"endHours":25.98818200490562,"planetary_lord":"Moon"},{"name":"Hora 21","start":"01:59","end":"02:59","startHours":25.98818200490562,"endHours":26.98818200490562,"planetary_lord":"Mercury"},{"name":"Hora 22","start":"02:59","end":"03:59","startHours":26.98818200490562,"endHours":27.98818200490562,"planetary_lord":"Venus"},{"name":"Hora 23","start":"03:59","end":"04:59","startHours":27.98818200490562,"endHours":28.98818200490562,"planetary_lord":"Sun"},{"name":"Hora 24","start":"04:59","end":"05:59","startHours":28.98818200490562,"endHours":29.98818200490562,"planetary_lord":"Mars"}],"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","Siṃha","Tulā","Makara","Kumbha"],"unfavorable_rashis":["Meṣa","Karka","Kanyā","Vṛścika","Dhanu","Mīna"]},"dishaShool":"West (Paścim)","chandraVasa":"West","rahuVasa":"South-East","anandadiYoga":{"name":"Dhūmra","quality":"Inauspicious"},"drikRitu":"Vasanta (Spring) (Drik)","vedicRitu":"Śiśira (Winter)","drikAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":6.965064147039328,"eotMinutes":-2.4880125448329173,"ayanamsa":24.2478}},"calendars":{"vikram_samvat":2085,"vikram_samvatsara":"Durmati","saka_samvat":1950,"saka_samvatsara":"Kīlaka","bengali_samvat":1435,"malayalam_era":1204,"nanakshahi_year":559,"lunar_month":"Caitra","lunar_month_paksha_full":"Caitra Śukla Pakṣa","solar_month":"Mīna (Paṅkuṇi)","ritu":"Vasanta (Spring)","display_summary":"Caitra Śukla Trayodaśī · Vikram 2085 Durmati · Śaka 1950 Kīlaka"},"festivals":[{"id":"mina-sankranti","name":"Mīna Saṅkrānti","name_sanskrit":"मीन सङ्क्रान्ति","tradition":"Pan-Hindu","significance":"Sun enters Pisces; Mīna-māsa begins.","vrata":false,"detection":{"sun_rashi":"Mīna"},"precedence":5},{"id":"pradosha-vrata","name":"Pradoṣa Vrata","name_sanskrit":"प्रदोष व्रत","tradition":"Shaiva","associated_deity":"Śiva","significance":"Twilight worship of Śiva on Trayodaśī.","vrata":true,"detection":{"any_of":[{"tithi_number":13},{"tithi_number":28}]},"precedence":7}],"todays_walk":{"walk":{"id":"shukra-walk","name":"Śukra Walk","name_sanskrit":"शुक्र यात्रा","type":"graha","description":"Beauty + creativity in dharma + BG 10.36.","step_count":5,"url":"/walk/shukra-walk"},"reason":"Śukravāra (Friday) — 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 April 7, 2028 CE · Ṛṣikeśa · Vidhyamitra","description":"April 7, 2028 CE for Ṛṣikeśa: Śukla Trayodaśī, sūryodaya 05:59, sūryāsta 18:40.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/2028-04-07","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/2028-04-07","sa":"https://sa.vidhyamitra.com/city/rishikesh/2028-04-07","hi":"https://hi.vidhyamitra.com/city/rishikesh/2028-04-07","x-default":"https://vidhyamitra.com/city/rishikesh/2028-04-07"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-15T06:35:57.941Z","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":"2026-05-15T06:35:57.941Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-15T06:35:57.941Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}