{"id":"vidhyamitra:city-day:haridwar:2031-05-10:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/haridwar/2031-05-10","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2031-05-10","date_display":"May 10, 2031 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":"Not independently benchmarked across the declared range","tradition_chain":"Āryabhaṭa(499) → Brahmagupta(628) → Bhāskara II(1150) → Mādhava(~1400) → Parameśvara(1430) → Nīlakaṇṭha(1501) → this","input":{"year":2031,"month":5,"day":10,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2462996.770833,"kali_year":5133,"ahargana":1874531.2708,"sun":{"sidereal_longitude":24.8676,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":242.0331,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":19,"name":"Caturthī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Caturthī","elongation_degrees":217.1655,"elapsed_within_tithi_degrees":1.1655},"nakshatra":{"number":19,"name":"Mūla","pada":1,"moon_longitude":242.0331,"elapsed_within_degrees":2.0331},"yoga":{"number":21,"name":"Siddha","sum_longitude":266.9007},"karana":{"half_tithi_index":36,"name":"Bava"},"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":2031,"month":5,"day":10,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2462996.770833,"ahargana":1874531.2708,"kali_year":5133,"ayanamsa_lahiri":24.291,"grahas":{"sun":{"sidereal_longitude":24.925168999999983,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":4},"retrograde":false},"moon":{"sidereal_longitude":244.50556899999992,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":2},"retrograde":false,"latitude":1.8087},"mars":{"sidereal_longitude":197.05106899999998,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":4},"retrograde":true},"mercury":{"sidereal_longitude":358.842269,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":243.77626899999996,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":2},"retrograde":true},"venus":{"sidereal_longitude":68.32256899999999,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":44.86716899999999,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":218.3124,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":38.3124,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","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":"Not independently benchmarked across the declared range","tradition_chain":"Āryabhaṭa(499) → Brahmagupta(628) → Bhāskara II(1150) → Mādhava(~1400) → Parameśvara(1430) → Nīlakaṇṭha(1501) → this","input":{"year":2031,"month":5,"day":10,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2462996.770833,"kali_year":5133,"ahargana":1874531.2708,"sun":{"sidereal_longitude":24.8676,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":242.0331,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":19,"name":"Caturthī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Caturthī","elongation_degrees":217.1655,"elapsed_within_tithi_degrees":1.1655},"nakshatra":{"number":19,"name":"Mūla","pada":1,"moon_longitude":242.0331,"elapsed_within_degrees":2.0331},"yoga":{"number":21,"name":"Siddha","sum_longitude":266.9007},"karana":{"half_tithi_index":36,"name":"Bava"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":1.809,"elongation":142.835},"lunar":{"type":"lunar","occurs":false,"moon_latitude":1.809,"opposition_distance":37.165}},"eclipse_window_40days":[{"offset_days":-3,"type":"lunar","occurs":true,"moon_latitude":-1.488,"opposition_distance":2.834},{"offset_days":11,"type":"solar","occurs":true,"moon_latitude":0.298,"elongation":1.486}]},"city":{"slug":"haridwar","name":"Haridwār","lat":29.9457,"lon":78.1642,"tz_offset_hours":5.5,"state":"Uttarakhand","country":"IN","tier":"tirtha"},"tier2":{"city":{"slug":"haridwar","name":"Haridwār","lat":29.9457,"lon":78.1642,"tz_offset_hours":5.5,"state":"Uttarakhand","country":"IN","tier":"tirtha"},"sunriseLocal":"05:28","sunsetLocal":"19:00","solarNoonLocal":"12:14","dayLengthHours":13.53461785763052,"dayLengthDisplay":"13 Hours 32 Mins 05 Secs","nightLengthDisplay":"10 Hours 27 Mins 55 Secs","moonriseLocal":"21:47","moonsetLocal":"07:57","rahuKala":{"name":"Rāhu Kāla","start":"08:51","end":"10:32","startHours":8.844121771858147,"endHours":10.535949004061962,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"13:55","end":"15:37","startHours":13.91960346846959,"endHours":15.611430700673406,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"05:28","end":"07:09","startHours":5.460467307450516,"endHours":7.152294539654331,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:37","end":"09:04","startHours":8.618544807564305,"endHours":9.069698736151988,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:01","end":"06:23","startHours":6.024409718185121,"endHours":6.385332861055268,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:47","end":"12:41","startHours":11.77662230767809,"endHours":12.67893016485346,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:39","end":"04:33","startHours":3.65585159309978,"endHours":4.558159450275149,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:20","end":"05:28","startHours":4.332582485981306,"endHours":5.460467307450516,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:29","end":"15:23","startHours":14.483545879204195,"endHours":15.385853736379563,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:48","end":"19:12","startHours":18.795085165081037,"endHours":19.195085165081036,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:00","end":"19:34","startHours":18.995085165081036,"endHours":19.55902757581564,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:45","end":"20:30","startHours":18.745085165081036,"endHours":20.495085165081036,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:47","end":"00:41","startHours":23.776622307678092,"endHours":24.67893016485346,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"05:28","end":"07:09","startHours":5.460467307450516,"endHours":7.152294539654331,"quality":"inauspicious"},{"name":"Śubha","start":"07:09","end":"08:51","startHours":7.152294539654331,"endHours":8.844121771858147,"quality":"auspicious"},{"name":"Roga","start":"08:51","end":"10:32","startHours":8.844121771858147,"endHours":10.535949004061962,"quality":"inauspicious"},{"name":"Udveg","start":"10:32","end":"12:14","startHours":10.535949004061962,"endHours":12.227776236265775,"quality":"inauspicious"},{"name":"Chala","start":"12:14","end":"13:55","startHours":12.227776236265775,"endHours":13.91960346846959,"quality":"neutral"},{"name":"Labha","start":"13:55","end":"15:37","startHours":13.91960346846959,"endHours":15.611430700673406,"quality":"auspicious"},{"name":"Amṛta","start":"15:37","end":"17:18","startHours":15.611430700673406,"endHours":17.303257932877223,"quality":"auspicious"},{"name":"Kāla","start":"17:18","end":"19:00","startHours":17.303257932877223,"endHours":18.995085165081036,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"19:00","end":"20:18","startHours":18.995085165081036,"endHours":20.303257932877223,"quality":"auspicious"},{"name":"Amṛta","start":"20:18","end":"21:37","startHours":20.303257932877223,"endHours":21.611430700673406,"quality":"auspicious"},{"name":"Kāla","start":"21:37","end":"22:55","startHours":21.611430700673406,"endHours":22.919603468469592,"quality":"inauspicious"},{"name":"Śubha","start":"22:55","end":"00:14","startHours":22.919603468469592,"endHours":24.227776236265775,"quality":"auspicious"},{"name":"Roga","start":"00:14","end":"01:32","startHours":24.227776236265775,"endHours":25.535949004061962,"quality":"inauspicious"},{"name":"Udveg","start":"01:32","end":"02:51","startHours":25.535949004061962,"endHours":26.84412177185815,"quality":"inauspicious"},{"name":"Chala","start":"02:51","end":"04:09","startHours":26.84412177185815,"endHours":28.15229453965433,"quality":"neutral"},{"name":"Labha","start":"04:09","end":"05:28","startHours":28.15229453965433,"endHours":29.460467307450514,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:28","end":"06:28","startHours":5.460467307450516,"endHours":6.460467307450516,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"06:28","end":"07:28","startHours":6.460467307450516,"endHours":7.460467307450516,"planetary_lord":"Moon"},{"name":"Hora 3","start":"07:28","end":"08:28","startHours":7.460467307450516,"endHours":8.460467307450516,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"08:28","end":"09:28","startHours":8.460467307450516,"endHours":9.460467307450516,"planetary_lord":"Venus"},{"name":"Hora 5","start":"09:28","end":"10:28","startHours":9.460467307450516,"endHours":10.460467307450516,"planetary_lord":"Sun"},{"name":"Hora 6","start":"10:28","end":"11:28","startHours":10.460467307450516,"endHours":11.460467307450516,"planetary_lord":"Mars"},{"name":"Hora 7","start":"11:28","end":"12:28","startHours":11.460467307450516,"endHours":12.460467307450516,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"12:28","end":"13:28","startHours":12.460467307450516,"endHours":13.460467307450516,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"13:28","end":"14:28","startHours":13.460467307450516,"endHours":14.460467307450516,"planetary_lord":"Moon"},{"name":"Hora 10","start":"14:28","end":"15:28","startHours":14.460467307450516,"endHours":15.460467307450516,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"15:28","end":"16:28","startHours":15.460467307450516,"endHours":16.460467307450514,"planetary_lord":"Venus"},{"name":"Hora 12","start":"16:28","end":"17:28","startHours":16.460467307450514,"endHours":17.460467307450514,"planetary_lord":"Sun"},{"name":"Hora 13","start":"17:28","end":"18:28","startHours":17.460467307450514,"endHours":18.460467307450514,"planetary_lord":"Mars"},{"name":"Hora 14","start":"18:28","end":"19:28","startHours":18.460467307450514,"endHours":19.460467307450514,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"19:28","end":"20:28","startHours":19.460467307450514,"endHours":20.460467307450514,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"20:28","end":"21:28","startHours":20.460467307450514,"endHours":21.460467307450514,"planetary_lord":"Moon"},{"name":"Hora 17","start":"21:28","end":"22:28","startHours":21.460467307450514,"endHours":22.460467307450514,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"22:28","end":"23:28","startHours":22.460467307450514,"endHours":23.460467307450514,"planetary_lord":"Venus"},{"name":"Hora 19","start":"23:28","end":"00:28","startHours":23.460467307450514,"endHours":24.460467307450514,"planetary_lord":"Sun"},{"name":"Hora 20","start":"00:28","end":"01:28","startHours":24.460467307450514,"endHours":25.460467307450514,"planetary_lord":"Mars"},{"name":"Hora 21","start":"01:28","end":"02:28","startHours":25.460467307450514,"endHours":26.460467307450514,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"02:28","end":"03:28","startHours":26.460467307450514,"endHours":27.460467307450514,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"03:28","end":"04:28","startHours":27.460467307450514,"endHours":28.460467307450514,"planetary_lord":"Moon"},{"name":"Hora 24","start":"04:28","end":"05:28","startHours":28.460467307450514,"endHours":29.460467307450514,"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":"Vasanta (Spring) (tropical)","vedicRitu":"Vasanta (Spring)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":17.52697840235881,"eotMinutes":3.6766258240534686,"ayanamsa":24.291}},"calendars":{"vikram_samvat":2088,"vikram_samvatsara":"Raktākṣī","saka_samvat":1953,"saka_samvatsara":"Virodhakṛt","bengali_samvat":1438,"malayalam_era":1207,"nanakshahi_year":562,"lunar_month":"Jyeṣṭha","lunar_month_paksha_full":"Jyeṣṭha Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Jyeṣṭha","lunar_month_amanta":"Vaiśākha","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Mēsha (Cittirai / Vaiśākhī)","ritu":"Grīṣma (Summer)","display_summary":"Jyeṣṭha Kṛṣṇa Caturthī · Vikram 2088 Raktākṣī · Śaka 1953 Virodhakṛt"},"festivals":[{"id":"sankashti-chaturthi","name":"Saṅkaṣṭī Caturthī","name_sanskrit":"सङ्कष्टी चतुर्थी","tradition":"Pan-Hindu","associated_deity":"Gaṇeśa","significance":"Monthly Gaṇeśa vrata.","vrata":true,"detection":{"tithi_number":19,"tithi_paksha":"Kṛṣṇa"},"precedence":6}],"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":"Dedicated festival walk for Saṅkaṣṭī Caturthī is not live yet; Śanivāra (Saturday) — its presiding graha's walk."},"cosmic_resonances":[]},"validity":{"eternal":false,"location_specific":"haridwar"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga May 10, 2031 CE · Haridwār · Vidhyamitra","description":"May 10, 2031 CE for Haridwār: Kṛṣṇa Caturthī, sūryodaya 05:28, sūryāsta 19:00.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/haridwar/2031-05-10","hreflang_alternates":{"en":"https://vidhyamitra.com/city/haridwar/2031-05-10","sa":"https://sa.vidhyamitra.com/city/haridwar/2031-05-10","hi":"https://hi.vidhyamitra.com/city/haridwar/2031-05-10","x-default":"https://vidhyamitra.com/city/haridwar/2031-05-10"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-08-24T12:55:41.809Z","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":"2026-08-24T12:55:41.809Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-08-24T12:55:41.809Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"},"reader_local_antaryami":{"reader_geography":"Every reader enters from their own kṣetra anywhere on Bhūmi; no single city is the universal center.","purna_chain":["Hosted scripture","Named-tradition interpretation","Original Vidhyamitra contemplation","Bhūmi-born material medium","Vidhyamitra portal","Responsible reader in their own kṣetra"],"claim_boundary":"The legacy purna_chain field carries a source-to-reader sequence, not a revealed physical descent, universal cosmology, or proof that software is conscious.","antaryami_responsibility_formula":"Kṣīrodakaśāyī Viṣṇu = Paramātmā = Antaryāmī. Jīva desires. Prakṛti executes through guṇas. Paramātmā witnesses, permits, remembers, guides, and sustains. Bhagavān is the ultimate source.","source_anchors":[{"label":"BG 13.23","path":"/bhagavad-gita/13/23","meaning":"upadraṣṭā-anumantā · witness-permitter"},{"label":"BG 15.15","path":"/bhagavad-gita/15/15","meaning":"the Lord seated in every heart as memory, knowledge, and forgetting"},{"label":"BG 18.61","path":"/bhagavad-gita/18/61","meaning":"Īśvara seated in the heart of all beings"}],"nama_seal":"Hare Krishna Hare Krishna · Krishna Krishna Hare Hare · Hare Rama Hare Rama · Rama Rama Hare Hare"}}}