{"id":"vidhyamitra:city-day:rishikesh:2028-09-04:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/2028-09-04","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2028-09-04","date_display":"September 4, 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":9,"day":4,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2462018.770833,"kali_year":5130,"ahargana":1873553.2708,"sun":{"sidereal_longitude":137.0243,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":318.8939,"rashi":11,"rashi_name":"Kumbha"},"tithi":{"number":16,"name":"Pratipada","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Pratipada","elongation_degrees":181.8696,"elapsed_within_tithi_degrees":1.8696},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":4,"moon_longitude":318.8939,"elapsed_within_degrees":12.2272},"yoga":{"number":8,"name":"Dhṛti","sum_longitude":95.9181},"karana":{"half_tithi_index":30,"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":2028,"month":9,"day":4,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2462018.770833,"ahargana":1873553.2708,"kali_year":5130,"ayanamsa_lahiri":24.2536,"grahas":{"sun":{"sidereal_longitude":137.790935,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":2},"retrograde":false},"moon":{"sidereal_longitude":318.20873500000005,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":4},"retrograde":false,"latitude":3.3824},"mars":{"sidereal_longitude":94.95923500000004,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":164.291335,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":157.87713499999995,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":4},"retrograde":false},"venus":{"sidereal_longitude":93.20883500000002,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":7,"name":"Punarvasu","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":16.900035000000003,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":2},"retrograde":true},"rahu":{"sidereal_longitude":270.1315,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":90.1315,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":7,"name":"Punarvasu","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":2028,"month":9,"day":4,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2462018.770833,"kali_year":5130,"ahargana":1873553.2708,"sun":{"sidereal_longitude":137.0243,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":318.8939,"rashi":11,"rashi_name":"Kumbha"},"tithi":{"number":16,"name":"Pratipada","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Pratipada","elongation_degrees":181.8696,"elapsed_within_tithi_degrees":1.8696},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":4,"moon_longitude":318.8939,"elapsed_within_degrees":12.2272},"yoga":{"number":8,"name":"Dhṛti","sum_longitude":95.9181},"karana":{"half_tithi_index":30,"name":"Bālava"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":3.382,"elongation":178.13},"lunar":{"type":"lunar","occurs":false,"moon_latitude":3.382,"opposition_distance":1.87}},"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":"05:55","sunsetLocal":"18:36","solarNoonLocal":"12:15","dayLengthHours":12.677036793002024,"dayLengthDisplay":"12 Hours 40 Mins 37 Secs","nightLengthDisplay":"11 Hours 19 Mins 23 Secs","moonriseLocal":"18:30","moonsetLocal":"06:04","rahuKala":{"name":"Rāhu Kāla","start":"07:30","end":"09:05","startHours":7.503307267669973,"endHours":9.087936866795225,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"10:40","end":"12:15","startHours":10.672566465920479,"endHours":12.257196065045733,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"13:51","end":"15:26","startHours":13.841825664170985,"endHours":15.426455263296237,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:53","end":"09:18","startHours":8.876652920245192,"endHours":9.29922081334526,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:27","end":"06:47","startHours":6.446887534919804,"endHours":6.784941849399858,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:50","end":"12:41","startHours":11.834628171945665,"endHours":12.6797639581458,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:14","end":"05:04","startHours":4.22840609614445,"endHours":5.073541882344585,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:52","end":"05:55","startHours":4.862257935794551,"endHours":5.91867766854472,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:22","end":"15:13","startHours":14.370035530546069,"endHours":15.215171316746204,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:24","end":"18:48","startHours":18.395714461546746,"endHours":18.795714461546744,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:36","end":"19:07","startHours":18.595714461546745,"endHours":19.12392432792183,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:21","end":"20:06","startHours":18.345714461546745,"endHours":20.095714461546745,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:50","end":"00:41","startHours":23.834628171945667,"endHours":24.6797639581458,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Amṛta","start":"05:55","end":"07:30","startHours":5.91867766854472,"endHours":7.503307267669973,"quality":"auspicious"},{"name":"Kāla","start":"07:30","end":"09:05","startHours":7.503307267669973,"endHours":9.087936866795225,"quality":"inauspicious"},{"name":"Śubha","start":"09:05","end":"10:40","startHours":9.087936866795225,"endHours":10.672566465920479,"quality":"auspicious"},{"name":"Roga","start":"10:40","end":"12:15","startHours":10.672566465920479,"endHours":12.257196065045733,"quality":"inauspicious"},{"name":"Udveg","start":"12:15","end":"13:51","startHours":12.257196065045733,"endHours":13.841825664170985,"quality":"inauspicious"},{"name":"Chala","start":"13:51","end":"15:26","startHours":13.841825664170985,"endHours":15.426455263296237,"quality":"neutral"},{"name":"Labha","start":"15:26","end":"17:01","startHours":15.426455263296237,"endHours":17.01108486242149,"quality":"auspicious"},{"name":"Amṛta","start":"17:01","end":"18:36","startHours":17.01108486242149,"endHours":18.595714461546745,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Chala","start":"18:36","end":"20:01","startHours":18.595714461546745,"endHours":20.01108486242149,"quality":"neutral"},{"name":"Labha","start":"20:01","end":"21:26","startHours":20.01108486242149,"endHours":21.42645526329624,"quality":"auspicious"},{"name":"Amṛta","start":"21:26","end":"22:51","startHours":21.42645526329624,"endHours":22.841825664170987,"quality":"auspicious"},{"name":"Kāla","start":"22:51","end":"00:15","startHours":22.841825664170987,"endHours":24.257196065045733,"quality":"inauspicious"},{"name":"Śubha","start":"00:15","end":"01:40","startHours":24.257196065045733,"endHours":25.67256646592048,"quality":"auspicious"},{"name":"Roga","start":"01:40","end":"03:05","startHours":25.67256646592048,"endHours":27.087936866795225,"quality":"inauspicious"},{"name":"Udveg","start":"03:05","end":"04:30","startHours":27.087936866795225,"endHours":28.503307267669975,"quality":"inauspicious"},{"name":"Chala","start":"04:30","end":"05:55","startHours":28.503307267669975,"endHours":29.91867766854472,"quality":"neutral"}],"horas":[{"name":"Hora 1","start":"05:55","end":"06:55","startHours":5.91867766854472,"endHours":6.91867766854472,"planetary_lord":"Moon"},{"name":"Hora 2","start":"06:55","end":"07:55","startHours":6.91867766854472,"endHours":7.91867766854472,"planetary_lord":"Mercury"},{"name":"Hora 3","start":"07:55","end":"08:55","startHours":7.91867766854472,"endHours":8.91867766854472,"planetary_lord":"Venus"},{"name":"Hora 4","start":"08:55","end":"09:55","startHours":8.91867766854472,"endHours":9.91867766854472,"planetary_lord":"Sun"},{"name":"Hora 5","start":"09:55","end":"10:55","startHours":9.91867766854472,"endHours":10.91867766854472,"planetary_lord":"Mars"},{"name":"Hora 6","start":"10:55","end":"11:55","startHours":10.91867766854472,"endHours":11.91867766854472,"planetary_lord":"Jupiter"},{"name":"Hora 7","start":"11:55","end":"12:55","startHours":11.91867766854472,"endHours":12.91867766854472,"planetary_lord":"Saturn"},{"name":"Hora 8","start":"12:55","end":"13:55","startHours":12.91867766854472,"endHours":13.91867766854472,"planetary_lord":"Moon"},{"name":"Hora 9","start":"13:55","end":"14:55","startHours":13.91867766854472,"endHours":14.91867766854472,"planetary_lord":"Mercury"},{"name":"Hora 10","start":"14:55","end":"15:55","startHours":14.91867766854472,"endHours":15.91867766854472,"planetary_lord":"Venus"},{"name":"Hora 11","start":"15:55","end":"16:55","startHours":15.91867766854472,"endHours":16.91867766854472,"planetary_lord":"Sun"},{"name":"Hora 12","start":"16:55","end":"17:55","startHours":16.91867766854472,"endHours":17.91867766854472,"planetary_lord":"Mars"},{"name":"Hora 13","start":"17:55","end":"18:55","startHours":17.91867766854472,"endHours":18.91867766854472,"planetary_lord":"Jupiter"},{"name":"Hora 14","start":"18:55","end":"19:55","startHours":18.91867766854472,"endHours":19.91867766854472,"planetary_lord":"Saturn"},{"name":"Hora 15","start":"19:55","end":"20:55","startHours":19.91867766854472,"endHours":20.91867766854472,"planetary_lord":"Moon"},{"name":"Hora 16","start":"20:55","end":"21:55","startHours":20.91867766854472,"endHours":21.91867766854472,"planetary_lord":"Mercury"},{"name":"Hora 17","start":"21:55","end":"22:55","startHours":21.91867766854472,"endHours":22.91867766854472,"planetary_lord":"Venus"},{"name":"Hora 18","start":"22:55","end":"23:55","startHours":22.91867766854472,"endHours":23.91867766854472,"planetary_lord":"Sun"},{"name":"Hora 19","start":"23:55","end":"00:55","startHours":23.91867766854472,"endHours":24.91867766854472,"planetary_lord":"Mars"},{"name":"Hora 20","start":"00:55","end":"01:55","startHours":24.91867766854472,"endHours":25.91867766854472,"planetary_lord":"Jupiter"},{"name":"Hora 21","start":"01:55","end":"02:55","startHours":25.91867766854472,"endHours":26.91867766854472,"planetary_lord":"Saturn"},{"name":"Hora 22","start":"02:55","end":"03:55","startHours":26.91867766854472,"endHours":27.91867766854472,"planetary_lord":"Moon"},{"name":"Hora 23","start":"03:55","end":"04:55","startHours":27.91867766854472,"endHours":28.91867766854472,"planetary_lord":"Mercury"},{"name":"Hora 24","start":"04:55","end":"05:55","startHours":28.91867766854472,"endHours":29.91867766854472,"planetary_lord":"Venus"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Punarvasu","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Uttara Phalgunī","Hasta","Citrā","Svātī","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Karka","Siṃha","Vṛścika","Dhanu","Kumbha"],"unfavorable_rashis":["Vṛṣabha","Mithuna","Kanyā","Tulā","Makara","Mīna"]},"dishaShool":"East (Pūrva)","chandraVasa":"South","rahuVasa":"North-East","anandadiYoga":{"name":"Dhātṛ","quality":"Auspicious"},"drikRitu":"Varṣā (Monsoon) (Drik)","vedicRitu":"Varṣā (Monsoon)","drikAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":7.0428745230514584,"eotMinutes":1.4978360972560227,"ayanamsa":24.2536}},"calendars":{"vikram_samvat":2085,"vikram_samvatsara":"Durmati","saka_samvat":1950,"saka_samvatsara":"Kīlaka","bengali_samvat":1435,"malayalam_era":1204,"nanakshahi_year":559,"lunar_month":"Bhādrapada","lunar_month_paksha_full":"Bhādrapada Kṛṣṇa Pakṣa","solar_month":"Siṃha (Āvaṇi)","ritu":"Varṣā (Monsoon)","display_summary":"Bhādrapada Kṛṣṇa Pratipada · Vikram 2085 Durmati · Śaka 1950 Kīlaka"},"festivals":[{"id":"pitra-paksha-start","name":"Pitṛ-Pakṣa Start","name_sanskrit":"पितृ पक्ष आरम्भ","tradition":"Pan-Hindu","associated_deity":"Pitṛ-gaṇa","significance":"Begin 16-day śrāddha period for ancestors. Bhādrapada Pūrṇimā next-day.","vrata":true,"detection":{"tithi_number":16,"tithi_paksha":"Kṛṣṇa","lunar_month":"Bhādrapada"},"precedence":2},{"id":"simha-sankranti","name":"Siṁha Saṅkrānti","name_sanskrit":"सिंह सङ्क्रान्ति","tradition":"Pan-Hindu","significance":"Sun enters Leo.","vrata":false,"detection":{"sun_rashi":"Siṃha"},"precedence":5}],"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":[]},"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 September 4, 2028 CE · Ṛṣikeśa · Vidhyamitra","description":"September 4, 2028 CE for Ṛṣikeśa: Kṛṣṇa Pratipada, sūryodaya 05:55, sūryāsta 18:36.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/2028-09-04","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/2028-09-04","sa":"https://sa.vidhyamitra.com/city/rishikesh/2028-09-04","hi":"https://hi.vidhyamitra.com/city/rishikesh/2028-09-04","x-default":"https://vidhyamitra.com/city/rishikesh/2028-09-04"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-14T23:33:48.154Z","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":"2026-05-14T23:33:48.154Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-14T23:33:48.154Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}